23891445

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12347}}^1$

素因数の和:12401

約数の個数: 24

約数和(自身を含む): 42378336

約数和(自身を除く): 18486891

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 12347, 37041, 61735, 111123, 185205, 530921, 555615, 1592763, 2654605, 4778289, 7963815, 23891445]

約数ペア:

[(1, 23891445), (3, 7963815), (5, 4778289), (9, 2654605), (15, 1592763), (43, 555615), (45, 530921), (129, 185205), (215, 111123), (387, 61735), (645, 37041), (1935, 12347)]