12857295

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2687}}^1$

素因数の和:2735

約数の個数: 32

約数和(自身を含む): 23224320

約数和(自身を除く): 10367025

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 2687, 4785, 8061, 13435, 29557, 40305, 77923, 88671, 147785, 233769, 389615, 443355, 857153, 1168845, 2571459, 4285765, 12857295]

約数ペア:

[(1, 12857295), (3, 4285765), (5, 2571459), (11, 1168845), (15, 857153), (29, 443355), (33, 389615), (55, 233769), (87, 147785), (145, 88671), (165, 77923), (319, 40305), (435, 29557), (957, 13435), (1595, 8061), (2687, 4785)]