291239333

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{27211}}^1$

素因数の和:27368

約数の個数: 16

約数和(自身を含む): 365729280

約数和(自身を除く): 74489947

約数列:

[1, 7, 11, 77, 139, 973, 1529, 10703, 27211, 190477, 299321, 2095247, 3782329, 26476303, 41605619, 291239333]

約数ペア:

[(1, 291239333), (7, 41605619), (11, 26476303), (77, 3782329), (139, 2095247), (973, 299321), (1529, 190477), (10703, 27211)]