25781457

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 37554528

約数和(自身を除く): 11773071

約数列:

[1, 3, 13, 39, 169, 211, 241, 507, 633, 723, 2743, 3133, 8229, 9399, 35659, 40729, 50851, 106977, 122187, 152553, 661063, 1983189, 8593819, 25781457]

約数ペア:

[(1, 25781457), (3, 8593819), (13, 1983189), (39, 661063), (169, 152553), (211, 122187), (241, 106977), (507, 50851), (633, 40729), (723, 35659), (2743, 9399), (3133, 8229)]