157207911

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{1031}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 246094848

約数和(自身を除く): 88886937

約数列:

[1, 3, 7, 21, 53, 137, 159, 371, 411, 959, 1031, 1113, 2877, 3093, 7217, 7261, 21651, 21783, 50827, 54643, 141247, 152481, 163929, 382501, 423741, 988729, 1147503, 2966187, 7486091, 22458273, 52402637, 157207911]

約数ペア:

[(1, 157207911), (3, 52402637), (7, 22458273), (21, 7486091), (53, 2966187), (137, 1147503), (159, 988729), (371, 423741), (411, 382501), (959, 163929), (1031, 152481), (1113, 141247), (2877, 54643), (3093, 50827), (7217, 21783), (7261, 21651)]