15647241

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1231}}^1$

素因数の和:1476

約数の個数: 16

約数和(自身を含む): 22077440

約数和(自身を除く): 6430199

約数列:

[1, 3, 19, 57, 223, 669, 1231, 3693, 4237, 12711, 23389, 70167, 274513, 823539, 5215747, 15647241]

約数ペア:

[(1, 15647241), (3, 5215747), (19, 823539), (57, 274513), (223, 70167), (669, 23389), (1231, 12711), (3693, 4237)]