15321369

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6131}}^1$

素因数の和:6165

約数の個数: 24

約数和(自身を含む): 25165728

約数和(自身を除く): 9844359

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 6131, 18393, 42917, 104227, 128751, 300419, 312681, 729589, 901257, 2188767, 5107123, 15321369]

約数ペア:

[(1, 15321369), (3, 5107123), (7, 2188767), (17, 901257), (21, 729589), (49, 312681), (51, 300419), (119, 128751), (147, 104227), (357, 42917), (833, 18393), (2499, 6131)]