18381125

素因数分解:

$5^3\times 7^2\times {\mathrm{3001}}^1$

素因数の和:3030

約数の個数: 24

約数和(自身を含む): 26693784

約数和(自身を除く): 8312659

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 875, 1225, 3001, 6125, 15005, 21007, 75025, 105035, 147049, 375125, 525175, 735245, 2625875, 3676225, 18381125]

約数ペア:

[(1, 18381125), (5, 3676225), (7, 2625875), (25, 735245), (35, 525175), (49, 375125), (125, 147049), (175, 105035), (245, 75025), (875, 21007), (1225, 15005), (3001, 6125)]