319566789

素因数分解:

$3^4\times {\mathrm{1451}}^1\times {\mathrm{2719}}^1$

素因数の和:4182

約数の個数: 20

約数和(自身を含む): 477882240

約数和(自身を除く): 158315451

約数列:

[1, 3, 9, 27, 81, 1451, 2719, 4353, 8157, 13059, 24471, 39177, 73413, 117531, 220239, 3945269, 11835807, 35507421, 106522263, 319566789]

約数ペア:

[(1, 319566789), (3, 106522263), (9, 35507421), (27, 11835807), (81, 3945269), (1451, 220239), (2719, 117531), (4353, 73413), (8157, 39177), (13059, 24471)]