131990715

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10513}}^1$

素因数の和:10561

約数の個数: 40

約数和(自身を含む): 244261248

約数和(自身を除く): 112270533

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2511, 4185, 10513, 12555, 31539, 52565, 94617, 157695, 283851, 325903, 473085, 851553, 977709, 1419255, 1629515, 2933127, 4257765, 4888545, 8799381, 14665635, 26398143, 43996905, 131990715]

約数ペア:

[(1, 131990715), (3, 43996905), (5, 26398143), (9, 14665635), (15, 8799381), (27, 4888545), (31, 4257765), (45, 2933127), (81, 1629515), (93, 1419255), (135, 977709), (155, 851553), (279, 473085), (405, 325903), (465, 283851), (837, 157695), (1395, 94617), (2511, 52565), (4185, 31539), (10513, 12555)]