13720371

素因数分解:

$3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{2711}}^1$

素因数の和:2962

約数の個数: 16

約数和(自身を含む): 21001728

約数和(自身を除く): 7281357

約数列:

[1, 3, 7, 21, 241, 723, 1687, 2711, 5061, 8133, 18977, 56931, 653351, 1960053, 4573457, 13720371]

約数ペア:

[(1, 13720371), (3, 4573457), (7, 1960053), (21, 653351), (241, 56931), (723, 18977), (1687, 8133), (2711, 5061)]