81274095

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 179262720

約数和(自身を除く): 97988625

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 31, 35, 41, 45, 49, 63, 87, 93, 105, 123, 145, 147, 155, 203, 205, 217, 245, 261, 279, 287, 315, 369, 435, 441, 465, 609, 615, 651, 735, 861, 899, 1015, 1085, 1189, 1271, 1305, 1395, 1421, 1435, 1519, 1827, 1845, 1953, 2009, 2205, 2583, 2697, 3045, 3255, 3567, 3813, 4263, 4305, 4495, 4557, 5945, 6027, 6293, 6355, 7105, 7595, 8091, 8323, 8897, 9135, 9765, 10045, 10701, 11439, 12789, 12915, 13485, 13671, 17835, 18081, 18879, 19065, 21315, 22785, 24969, 26691, 30135, 31465, 36859, 40455, 41615, 44051, 44485, 53505, 56637, 57195, 58261, 62279, 63945, 68355, 74907, 80073, 90405, 94395, 110577, 124845, 132153, 133455, 174783, 184295, 186837, 220255, 258013, 283185, 291305, 311395, 331731, 374535, 396459, 400365, 524349, 552885, 560511, 660765, 774039, 873915, 934185, 1290065, 1658655, 1806091, 1982295, 2322117, 2621745, 2802555, 3870195, 5418273, 9030455, 11610585, 16254819, 27091365, 81274095]

約数ペア:

[(1, 81274095), (3, 27091365), (5, 16254819), (7, 11610585), (9, 9030455), (15, 5418273), (21, 3870195), (29, 2802555), (31, 2621745), (35, 2322117), (41, 1982295), (45, 1806091), (49, 1658655), (63, 1290065), (87, 934185), (93, 873915), (105, 774039), (123, 660765), (145, 560511), (147, 552885), (155, 524349), (203, 400365), (205, 396459), (217, 374535), (245, 331731), (261, 311395), (279, 291305), (287, 283185), (315, 258013), (369, 220255), (435, 186837), (441, 184295), (465, 174783), (609, 133455), (615, 132153), (651, 124845), (735, 110577), (861, 94395), (899, 90405), (1015, 80073), (1085, 74907), (1189, 68355), (1271, 63945), (1305, 62279), (1395, 58261), (1421, 57195), (1435, 56637), (1519, 53505), (1827, 44485), (1845, 44051), (1953, 41615), (2009, 40455), (2205, 36859), (2583, 31465), (2697, 30135), (3045, 26691), (3255, 24969), (3567, 22785), (3813, 21315), (4263, 19065), (4305, 18879), (4495, 18081), (4557, 17835), (5945, 13671), (6027, 13485), (6293, 12915), (6355, 12789), (7105, 11439), (7595, 10701), (8091, 10045), (8323, 9765), (8897, 9135)]