85681729

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1\times {\mathrm{419}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 99348480

約数和(自身を除く): 13666751

約数列:

[1, 7, 131, 223, 419, 917, 1561, 2933, 29213, 54889, 93437, 204491, 384223, 654059, 12240247, 85681729]

約数ペア:

[(1, 85681729), (7, 12240247), (131, 654059), (223, 384223), (419, 204491), (917, 93437), (1561, 54889), (2933, 29213)]