28356975

素因数分解:

$3^2\times 5^2\times {\mathrm{126031}}^1$

素因数の和:126047

約数の個数: 18

約数和(自身を含む): 50790896

約数和(自身を除く): 22433921

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 126031, 378093, 630155, 1134279, 1890465, 3150775, 5671395, 9452325, 28356975]

約数ペア:

[(1, 28356975), (3, 9452325), (5, 5671395), (9, 3150775), (15, 1890465), (25, 1134279), (45, 630155), (75, 378093), (225, 126031)]