18396225

素因数分解:

$3^2\times 5^2\times {\mathrm{81761}}^1$

素因数の和:81777

約数の個数: 18

約数和(自身を含む): 32950086

約数和(自身を除く): 14553861

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 81761, 245283, 408805, 735849, 1226415, 2044025, 3679245, 6132075, 18396225]

約数ペア:

[(1, 18396225), (3, 6132075), (5, 3679245), (9, 2044025), (15, 1226415), (25, 735849), (45, 408805), (75, 245283), (225, 81761)]