81389009519

素因数分解:

${\mathrm{131}}^1\times {\mathrm{349}}^1\times {\mathrm{1780201}}^1$

素因数の和:1780681

約数の個数: 8

約数和(自身を含む): 82245332400

約数和(自身を除く): 856322881

約数列:

[1, 131, 349, 45719, 1780201, 233206331, 621290149, 81389009519]

約数ペア:

[(1, 81389009519), (131, 621290149), (349, 233206331), (45719, 1780201)]