20171815803

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1791617}}^1$

素因数の和:1791768

約数の個数: 20

約数和(自身を含む): 30350008920

約数和(自身を除く): 10178193117

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 1791617, 5374851, 16124553, 48373659, 145120977, 249034763, 747104289, 2241312867, 6723938601, 20171815803]

約数ペア:

[(1, 20171815803), (3, 6723938601), (9, 2241312867), (27, 747104289), (81, 249034763), (139, 145120977), (417, 48373659), (1251, 16124553), (3753, 5374851), (11259, 1791617)]