87972885

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 240

約数和(自身を含む): 222469632

約数和(自身を除く): 134496747

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 27, 31, 33, 35, 39, 45, 49, 55, 63, 65, 77, 81, 91, 93, 99, 105, 117, 135, 143, 147, 155, 165, 189, 195, 217, 231, 245, 273, 279, 297, 315, 341, 351, 385, 403, 405, 429, 441, 455, 465, 495, 539, 567, 585, 637, 651, 693, 715, 735, 819, 837, 891, 945, 1001, 1023, 1053, 1085, 1155, 1209, 1287, 1323, 1365, 1395, 1485, 1519, 1617, 1705, 1755, 1911, 1953, 2015, 2079, 2145, 2205, 2387, 2457, 2511, 2695, 2821, 2835, 3003, 3069, 3185, 3255, 3465, 3627, 3861, 3969, 4095, 4185, 4433, 4455, 4557, 4851, 5005, 5115, 5265, 5733, 5859, 6045, 6237, 6435, 6615, 7007, 7161, 7371, 7595, 8085, 8463, 9009, 9207, 9555, 9765, 10395, 10881, 11583, 11935, 12285, 12555, 13299, 13671, 14105, 14553, 15015, 15345, 16709, 17199, 17577, 18135, 19305, 19747, 19845, 21021, 21483, 22165, 22785, 24255, 25389, 27027, 27621, 28665, 29295, 31031, 31185, 32643, 35035, 35805, 36855, 39897, 41013, 42315, 43659, 45045, 46035, 50127, 51597, 54405, 57915, 59241, 63063, 64449, 66495, 68355, 72765, 76167, 81081, 83545, 85995, 87885, 93093, 98735, 105105, 107415, 119691, 123039, 126945, 135135, 138105, 150381, 155155, 163215, 177723, 189189, 193347, 199485, 205065, 217217, 218295, 228501, 250635, 257985, 279279, 296205, 315315, 322245, 359073, 380835, 405405, 451143, 465465, 533169, 567567, 598455, 615195, 651651, 751905, 837837, 888615, 945945, 966735, 1086085, 1142505, 1353429, 1396395, 1599507, 1795365, 1954953, 2255715, 2513511, 2665845, 2837835, 3258255, 4189185, 5864859, 6767145, 7997535, 9774765, 12567555, 17594577, 29324295, 87972885]

約数ペア:

[(1, 87972885), (3, 29324295), (5, 17594577), (7, 12567555), (9, 9774765), (11, 7997535), (13, 6767145), (15, 5864859), (21, 4189185), (27, 3258255), (31, 2837835), (33, 2665845), (35, 2513511), (39, 2255715), (45, 1954953), (49, 1795365), (55, 1599507), (63, 1396395), (65, 1353429), (77, 1142505), (81, 1086085), (91, 966735), (93, 945945), (99, 888615), (105, 837837), (117, 751905), (135, 651651), (143, 615195), (147, 598455), (155, 567567), (165, 533169), (189, 465465), (195, 451143), (217, 405405), (231, 380835), (245, 359073), (273, 322245), (279, 315315), (297, 296205), (315, 279279), (341, 257985), (351, 250635), (385, 228501), (403, 218295), (405, 217217), (429, 205065), (441, 199485), (455, 193347), (465, 189189), (495, 177723), (539, 163215), (567, 155155), (585, 150381), (637, 138105), (651, 135135), (693, 126945), (715, 123039), (735, 119691), (819, 107415), (837, 105105), (891, 98735), (945, 93093), (1001, 87885), (1023, 85995), (1053, 83545), (1085, 81081), (1155, 76167), (1209, 72765), (1287, 68355), (1323, 66495), (1365, 64449), (1395, 63063), (1485, 59241), (1519, 57915), (1617, 54405), (1705, 51597), (1755, 50127), (1911, 46035), (1953, 45045), (2015, 43659), (2079, 42315), (2145, 41013), (2205, 39897), (2387, 36855), (2457, 35805), (2511, 35035), (2695, 32643), (2821, 31185), (2835, 31031), (3003, 29295), (3069, 28665), (3185, 27621), (3255, 27027), (3465, 25389), (3627, 24255), (3861, 22785), (3969, 22165), (4095, 21483), (4185, 21021), (4433, 19845), (4455, 19747), (4557, 19305), (4851, 18135), (5005, 17577), (5115, 17199), (5265, 16709), (5733, 15345), (5859, 15015), (6045, 14553), (6237, 14105), (6435, 13671), (6615, 13299), (7007, 12555), (7161, 12285), (7371, 11935), (7595, 11583), (8085, 10881), (8463, 10395), (9009, 9765), (9207, 9555)]