68385331

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 81932256

約数和(自身を除く): 13546925

約数列:

[1, 7, 49, 61, 137, 167, 427, 959, 1169, 2989, 6713, 8183, 8357, 10187, 22879, 58499, 71309, 160153, 409493, 499163, 1121071, 1395619, 9769333, 68385331]

約数ペア:

[(1, 68385331), (7, 9769333), (49, 1395619), (61, 1121071), (137, 499163), (167, 409493), (427, 160153), (959, 71309), (1169, 58499), (2989, 22879), (6713, 10187), (8183, 8357)]