64890651

素因数分解:

$3^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{1847}}^1$

素因数の和:2103

約数の個数: 24

約数和(自身を含む): 101122560

約数和(自身を除く): 36231909

約数列:

[1, 3, 7, 21, 49, 147, 239, 717, 1673, 1847, 5019, 5541, 11711, 12929, 35133, 38787, 90503, 271509, 441433, 1324299, 3090031, 9270093, 21630217, 64890651]

約数ペア:

[(1, 64890651), (3, 21630217), (7, 9270093), (21, 3090031), (49, 1324299), (147, 441433), (239, 271509), (717, 90503), (1673, 38787), (1847, 35133), (5019, 12929), (5541, 11711)]