155217153

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{81223}}^1$

素因数の和:81253

約数の個数: 24

約数和(自身を含む): 259267008

約数和(自身を除く): 104049855

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 81223, 243669, 568561, 1055899, 1705683, 3167697, 3979927, 7391293, 11939781, 22173879, 51739051, 155217153]

約数ペア:

[(1, 155217153), (3, 51739051), (7, 22173879), (13, 11939781), (21, 7391293), (39, 3979927), (49, 3167697), (91, 1705683), (147, 1055899), (273, 568561), (637, 243669), (1911, 81223)]