64791153

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23917}}^1$

素因数の和:23973

約数の個数: 24

約数和(自身を含む): 109448768

約数和(自身を除く): 44657615

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 23917, 71751, 167419, 215253, 502257, 1028431, 1506771, 3085293, 7199017, 9255879, 21597051, 64791153]

約数ペア:

[(1, 64791153), (3, 21597051), (7, 9255879), (9, 7199017), (21, 3085293), (43, 1506771), (63, 1028431), (129, 502257), (301, 215253), (387, 167419), (903, 71751), (2709, 23917)]