12646851

素因数分解:

$3^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 19753920

約数和(自身を除く): 7107069

約数列:

[1, 3, 7, 21, 49, 147, 227, 379, 681, 1137, 1589, 2653, 4767, 7959, 11123, 18571, 33369, 55713, 86033, 258099, 602231, 1806693, 4215617, 12646851]

約数ペア:

[(1, 12646851), (3, 4215617), (7, 1806693), (21, 602231), (49, 258099), (147, 86033), (227, 55713), (379, 33369), (681, 18571), (1137, 11123), (1589, 7959), (2653, 4767)]