81410707

素因数分解:

$7^4\times {\mathrm{41}}^1\times {\mathrm{827}}^1$

素因数の和:896

約数の個数: 20

約数和(自身を含む): 97407576

約数和(自身を除く): 15996869

約数列:

[1, 7, 41, 49, 287, 343, 827, 2009, 2401, 5789, 14063, 33907, 40523, 98441, 237349, 283661, 1661443, 1985627, 11630101, 81410707]

約数ペア:

[(1, 81410707), (7, 11630101), (41, 1985627), (49, 1661443), (287, 283661), (343, 237349), (827, 98441), (2009, 40523), (2401, 33907), (5789, 14063)]