81810421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{36637}}^1$

素因数の和:36684

約数の個数: 16

約数和(自身を含む): 105517440

約数和(自身を除く): 23707019

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 36637, 256459, 403007, 1062473, 2821049, 7437311, 11687203, 81810421]

約数ペア:

[(1, 81810421), (7, 11687203), (11, 7437311), (29, 2821049), (77, 1062473), (203, 403007), (319, 256459), (2233, 36637)]