628590975

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{81371}}^1$

素因数の和:81487

約数の個数: 24

約数和(自身を含む): 1049373312

約数和(自身を除く): 420782337

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 515, 1545, 2575, 7725, 81371, 244113, 406855, 1220565, 2034275, 6102825, 8381213, 25143639, 41906065, 125718195, 209530325, 628590975]

約数ペア:

[(1, 628590975), (3, 209530325), (5, 125718195), (15, 41906065), (25, 25143639), (75, 8381213), (103, 6102825), (309, 2034275), (515, 1220565), (1545, 406855), (2575, 244113), (7725, 81371)]