65220975

素因数分解:

$3^2\times 5^2\times {\mathrm{289871}}^1$

素因数の和:289887

約数の個数: 18

約数和(自身を含む): 116818416

約数和(自身を除く): 51597441

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 289871, 869613, 1449355, 2608839, 4348065, 7246775, 13044195, 21740325, 65220975]

約数ペア:

[(1, 65220975), (3, 21740325), (5, 13044195), (9, 7246775), (15, 4348065), (25, 2608839), (45, 1449355), (75, 869613), (225, 289871)]