2220975

素因数分解:

$3^2\times 5^2\times {\mathrm{9871}}^1$

素因数の和:9887

約数の個数: 18

約数和(自身を含む): 3978416

約数和(自身を除く): 1757441

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 9871, 29613, 49355, 88839, 148065, 246775, 444195, 740325, 2220975]

約数ペア:

[(1, 2220975), (3, 740325), (5, 444195), (9, 246775), (15, 148065), (25, 88839), (45, 49355), (75, 29613), (225, 9871)]