253965957

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{257311}}^1$

素因数の和:257368

約数の個数: 16

約数和(自身を含む): 395231232

約数和(自身を除く): 141265275

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 257311, 771933, 1801177, 5403531, 12093617, 36280851, 84655319, 253965957]

約数ペア:

[(1, 253965957), (3, 84655319), (7, 36280851), (21, 12093617), (47, 5403531), (141, 1801177), (329, 771933), (987, 257311)]