12557979

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3761}}^1$

素因数の和:3827

約数の個数: 24

約数和(自身を含む): 21127392

約数和(自身を除く): 8569413

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 3761, 11283, 26327, 33849, 78981, 199333, 236943, 597999, 1395331, 1793997, 4185993, 12557979]

約数ペア:

[(1, 12557979), (3, 4185993), (7, 1793997), (9, 1395331), (21, 597999), (53, 236943), (63, 199333), (159, 78981), (371, 33849), (477, 26327), (1113, 11283), (3339, 3761)]