668475

素因数分解:

$3^2\times 5^2\times {\mathrm{2971}}^1$

素因数の和:2987

約数の個数: 18

約数和(自身を含む): 1197716

約数和(自身を除く): 529241

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 2971, 8913, 14855, 26739, 44565, 74275, 133695, 222825, 668475]

約数ペア:

[(1, 668475), (3, 222825), (5, 133695), (9, 74275), (15, 44565), (25, 26739), (45, 14855), (75, 8913), (225, 2971)]