15913191

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1051}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 24945024

約数和(自身を除く): 9031833

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 1051, 2163, 3153, 5047, 7357, 15141, 22071, 51499, 108253, 154497, 324759, 757771, 2273313, 5304397, 15913191]

約数ペア:

[(1, 15913191), (3, 5304397), (7, 2273313), (21, 757771), (49, 324759), (103, 154497), (147, 108253), (309, 51499), (721, 22071), (1051, 15141), (2163, 7357), (3153, 5047)]