261639357

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{95107}}^1$

素因数の和:95248

約数の個数: 16

約数和(自身を含む): 401736192

約数和(自身を除く): 140096835

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 95107, 285321, 665749, 1997247, 12459017, 37377051, 87213119, 261639357]

約数ペア:

[(1, 261639357), (3, 87213119), (7, 37377051), (21, 12459017), (131, 1997247), (393, 665749), (917, 285321), (2751, 95107)]