131303921

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{757}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 152812800

約数和(自身を除く): 21508879

約数列:

[1, 7, 71, 349, 497, 757, 2443, 5299, 24779, 53747, 173453, 264193, 376229, 1849351, 18757703, 131303921]

約数ペア:

[(1, 131303921), (7, 18757703), (71, 1849351), (349, 376229), (497, 264193), (757, 173453), (2443, 53747), (5299, 24779)]