66980475

素因数分解:

$3^2\times 5^2\times {\mathrm{297691}}^1$

素因数の和:297707

約数の個数: 18

約数和(自身を含む): 119969876

約数和(自身を除く): 52989401

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 297691, 893073, 1488455, 2679219, 4465365, 7442275, 13396095, 22326825, 66980475]

約数ペア:

[(1, 66980475), (3, 22326825), (5, 13396095), (9, 7442275), (15, 4465365), (25, 2679219), (45, 1488455), (75, 893073), (225, 297691)]