56220975

素因数分解:

$3^2\times 5^2\times {\mathrm{249871}}^1$

素因数の和:249887

約数の個数: 18

約数和(自身を含む): 100698416

約数和(自身を除く): 44477441

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 249871, 749613, 1249355, 2248839, 3748065, 6246775, 11244195, 18740325, 56220975]

約数ペア:

[(1, 56220975), (3, 18740325), (5, 11244195), (9, 6246775), (15, 3748065), (25, 2248839), (45, 1249355), (75, 749613), (225, 249871)]