31271715

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 57957120

約数和(自身を除く): 26685405

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 465, 773, 899, 1305, 1395, 2319, 2697, 3865, 4495, 6957, 8091, 11595, 13485, 22417, 23963, 34785, 40455, 67251, 71889, 112085, 119815, 201753, 215667, 336255, 359445, 694927, 1008765, 1078335, 2084781, 3474635, 6254343, 10423905, 31271715]

約数ペア:

[(1, 31271715), (3, 10423905), (5, 6254343), (9, 3474635), (15, 2084781), (29, 1078335), (31, 1008765), (45, 694927), (87, 359445), (93, 336255), (145, 215667), (155, 201753), (261, 119815), (279, 112085), (435, 71889), (465, 67251), (773, 40455), (899, 34785), (1305, 23963), (1395, 22417), (2319, 13485), (2697, 11595), (3865, 8091), (4495, 6957)]