12861909

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{1637}}^1$

素因数の和:1746

約数の個数: 20

約数和(自身を含む): 19423404

約数和(自身を除く): 6561495

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 1637, 2619, 4911, 7857, 14733, 44199, 132597, 158789, 476367, 1429101, 4287303, 12861909]

約数ペア:

[(1, 12861909), (3, 4287303), (9, 1429101), (27, 476367), (81, 158789), (97, 132597), (291, 44199), (873, 14733), (1637, 7857), (2619, 4911)]