39987675

素因数分解:

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

素因数の和:80

約数の個数: 180

約数和(自身を含む): 95785536

約数和(自身を除く): 55797861

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 31, 35, 39, 45, 49, 63, 65, 75, 81, 91, 93, 105, 117, 135, 147, 155, 175, 189, 195, 217, 225, 245, 273, 279, 315, 325, 351, 403, 405, 441, 455, 465, 525, 567, 585, 637, 651, 675, 735, 775, 819, 837, 945, 975, 1053, 1085, 1209, 1225, 1323, 1365, 1395, 1519, 1575, 1755, 1911, 1953, 2015, 2025, 2205, 2275, 2325, 2457, 2511, 2821, 2835, 2925, 3185, 3255, 3627, 3675, 3969, 4095, 4185, 4557, 4725, 5265, 5425, 5733, 5859, 6045, 6615, 6825, 6975, 7371, 7595, 8463, 8775, 9555, 9765, 10075, 10881, 11025, 12285, 12555, 13671, 14105, 14175, 15925, 16275, 17199, 17577, 18135, 19747, 19845, 20475, 20925, 22785, 25389, 26325, 28665, 29295, 30225, 32643, 33075, 36855, 37975, 41013, 42315, 47775, 48825, 51597, 54405, 59241, 61425, 62775, 68355, 70525, 76167, 85995, 87885, 90675, 98735, 99225, 113925, 123039, 126945, 143325, 146475, 163215, 177723, 184275, 205065, 211575, 228501, 257985, 272025, 296205, 341775, 380835, 429975, 439425, 493675, 533169, 615195, 634725, 816075, 888615, 1025325, 1142505, 1289925, 1481025, 1599507, 1904175, 2665845, 3075975, 4443075, 5712525, 7997535, 13329225, 39987675]

約数ペア:

[(1, 39987675), (3, 13329225), (5, 7997535), (7, 5712525), (9, 4443075), (13, 3075975), (15, 2665845), (21, 1904175), (25, 1599507), (27, 1481025), (31, 1289925), (35, 1142505), (39, 1025325), (45, 888615), (49, 816075), (63, 634725), (65, 615195), (75, 533169), (81, 493675), (91, 439425), (93, 429975), (105, 380835), (117, 341775), (135, 296205), (147, 272025), (155, 257985), (175, 228501), (189, 211575), (195, 205065), (217, 184275), (225, 177723), (245, 163215), (273, 146475), (279, 143325), (315, 126945), (325, 123039), (351, 113925), (403, 99225), (405, 98735), (441, 90675), (455, 87885), (465, 85995), (525, 76167), (567, 70525), (585, 68355), (637, 62775), (651, 61425), (675, 59241), (735, 54405), (775, 51597), (819, 48825), (837, 47775), (945, 42315), (975, 41013), (1053, 37975), (1085, 36855), (1209, 33075), (1225, 32643), (1323, 30225), (1365, 29295), (1395, 28665), (1519, 26325), (1575, 25389), (1755, 22785), (1911, 20925), (1953, 20475), (2015, 19845), (2025, 19747), (2205, 18135), (2275, 17577), (2325, 17199), (2457, 16275), (2511, 15925), (2821, 14175), (2835, 14105), (2925, 13671), (3185, 12555), (3255, 12285), (3627, 11025), (3675, 10881), (3969, 10075), (4095, 9765), (4185, 9555), (4557, 8775), (4725, 8463), (5265, 7595), (5425, 7371), (5733, 6975), (5859, 6825), (6045, 6615)]