13972491

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{389}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 21861840

約数和(自身を除く): 7889349

約数列:

[1, 3, 9, 13, 39, 117, 307, 389, 921, 1167, 2763, 3501, 3991, 5057, 11973, 15171, 35919, 45513, 119423, 358269, 1074807, 1552499, 4657497, 13972491]

約数ペア:

[(1, 13972491), (3, 4657497), (9, 1552499), (13, 1074807), (39, 358269), (117, 119423), (307, 45513), (389, 35919), (921, 15171), (1167, 11973), (2763, 5057), (3501, 3991)]