655425

素因数分解:

$3^3\times 5^2\times {\mathrm{971}}^1$

素因数の和:990

約数の個数: 24

約数和(自身を含む): 1205280

約数和(自身を除く): 549855

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 971, 2913, 4855, 8739, 14565, 24275, 26217, 43695, 72825, 131085, 218475, 655425]

約数ペア:

[(1, 655425), (3, 218475), (5, 131085), (9, 72825), (15, 43695), (25, 26217), (27, 24275), (45, 14565), (75, 8739), (135, 4855), (225, 2913), (675, 971)]