71989119

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2137}}^1$

素因数の和:2359

約数の個数: 24

約数和(自身を含む): 110064240

約数和(自身を除く): 38075121

約数列:

[1, 3, 9, 19, 57, 171, 197, 591, 1773, 2137, 3743, 6411, 11229, 19233, 33687, 40603, 121809, 365427, 420989, 1262967, 3788901, 7998791, 23996373, 71989119]

約数ペア:

[(1, 71989119), (3, 23996373), (9, 7998791), (19, 3788901), (57, 1262967), (171, 420989), (197, 365427), (591, 121809), (1773, 40603), (2137, 33687), (3743, 19233), (6411, 11229)]