128208549

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{4519}}^1$

素因数の和:4729

約数の個数: 24

約数和(自身を含む): 199928640

約数和(自身を除く): 71720091

約数列:

[1, 3, 7, 21, 49, 147, 193, 579, 1351, 4053, 4519, 9457, 13557, 28371, 31633, 94899, 221431, 664293, 872167, 2616501, 6105169, 18315507, 42736183, 128208549]

約数ペア:

[(1, 128208549), (3, 42736183), (7, 18315507), (21, 6105169), (49, 2616501), (147, 872167), (193, 664293), (579, 221431), (1351, 94899), (4053, 31633), (4519, 28371), (9457, 13557)]