15630975

素因数分解:

$3^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 30331392

約数和(自身を除く): 14700417

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 83, 93, 135, 155, 225, 243, 249, 279, 405, 415, 465, 675, 747, 775, 837, 1215, 1245, 1395, 2025, 2075, 2241, 2325, 2511, 2573, 3735, 4185, 6075, 6225, 6723, 6975, 7533, 7719, 11205, 12555, 12865, 18675, 20169, 20925, 23157, 33615, 37665, 38595, 56025, 62775, 64325, 69471, 100845, 115785, 168075, 188325, 192975, 208413, 347355, 504225, 578925, 625239, 1042065, 1736775, 3126195, 5210325, 15630975]

約数ペア:

[(1, 15630975), (3, 5210325), (5, 3126195), (9, 1736775), (15, 1042065), (25, 625239), (27, 578925), (31, 504225), (45, 347355), (75, 208413), (81, 192975), (83, 188325), (93, 168075), (135, 115785), (155, 100845), (225, 69471), (243, 64325), (249, 62775), (279, 56025), (405, 38595), (415, 37665), (465, 33615), (675, 23157), (747, 20925), (775, 20169), (837, 18675), (1215, 12865), (1245, 12555), (1395, 11205), (2025, 7719), (2075, 7533), (2241, 6975), (2325, 6723), (2511, 6225), (2573, 6075), (3735, 4185)]