123553755

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:818

約数の個数: 80

約数和(自身を含む): 246537984

約数和(自身を除く): 122984229

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 39, 45, 65, 81, 93, 117, 135, 155, 195, 279, 351, 403, 405, 465, 585, 757, 837, 1053, 1209, 1395, 1755, 2015, 2271, 2511, 3627, 3785, 4185, 5265, 6045, 6813, 9841, 10881, 11355, 12555, 18135, 20439, 23467, 29523, 32643, 34065, 49205, 54405, 61317, 70401, 88569, 102195, 117335, 147615, 163215, 211203, 265707, 305071, 306585, 352005, 442845, 633609, 797121, 915213, 1056015, 1328535, 1525355, 1900827, 2745639, 3168045, 3985605, 4576065, 8236917, 9504135, 13728195, 24710751, 41184585, 123553755]

約数ペア:

[(1, 123553755), (3, 41184585), (5, 24710751), (9, 13728195), (13, 9504135), (15, 8236917), (27, 4576065), (31, 3985605), (39, 3168045), (45, 2745639), (65, 1900827), (81, 1525355), (93, 1328535), (117, 1056015), (135, 915213), (155, 797121), (195, 633609), (279, 442845), (351, 352005), (403, 306585), (405, 305071), (465, 265707), (585, 211203), (757, 163215), (837, 147615), (1053, 117335), (1209, 102195), (1395, 88569), (1755, 70401), (2015, 61317), (2271, 54405), (2511, 49205), (3627, 34065), (3785, 32643), (4185, 29523), (5265, 23467), (6045, 20439), (6813, 18135), (9841, 12555), (10881, 11355)]