2005425

素因数分解:

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

素因数の和:2990

約数の個数: 24

約数和(自身を含む): 3685280

約数和(自身を除く): 1679855

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 2971, 8913, 14855, 26739, 44565, 74275, 80217, 133695, 222825, 401085, 668475, 2005425]

約数ペア:

[(1, 2005425), (3, 668475), (5, 401085), (9, 222825), (15, 133695), (25, 80217), (27, 74275), (45, 44565), (75, 26739), (135, 14855), (225, 8913), (675, 2971)]