31680341

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 40270272

約数和(自身を除く): 8589931

約数列:

[1, 7, 11, 77, 113, 121, 331, 791, 847, 1243, 2317, 3641, 8701, 13673, 25487, 37403, 40051, 95711, 261821, 280357, 411433, 2880031, 4525763, 31680341]

約数ペア:

[(1, 31680341), (7, 4525763), (11, 2880031), (77, 411433), (113, 280357), (121, 261821), (331, 95711), (791, 40051), (847, 37403), (1243, 25487), (2317, 13673), (3641, 8701)]