15957405

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:120

約数の個数: 60

約数和(自身を含む): 30278556

約数和(自身を除く): 14321151

約数列:

[1, 3, 5, 9, 15, 27, 31, 41, 45, 81, 93, 123, 135, 155, 205, 279, 369, 405, 465, 615, 837, 961, 1107, 1271, 1395, 1845, 2511, 2883, 3321, 3813, 4185, 4805, 5535, 6355, 8649, 11439, 12555, 14415, 16605, 19065, 25947, 34317, 39401, 43245, 57195, 77841, 102951, 118203, 129735, 171585, 197005, 354609, 389205, 514755, 591015, 1063827, 1773045, 3191481, 5319135, 15957405]

約数ペア:

[(1, 15957405), (3, 5319135), (5, 3191481), (9, 1773045), (15, 1063827), (27, 591015), (31, 514755), (41, 389205), (45, 354609), (81, 197005), (93, 171585), (123, 129735), (135, 118203), (155, 102951), (205, 77841), (279, 57195), (369, 43245), (405, 39401), (465, 34317), (615, 25947), (837, 19065), (961, 16605), (1107, 14415), (1271, 12555), (1395, 11439), (1845, 8649), (2511, 6355), (2883, 5535), (3321, 4805), (3813, 4185)]