2280825

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 4364800

約数和(自身を除く): 2083975

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 109, 135, 155, 225, 279, 327, 465, 545, 675, 775, 837, 981, 1395, 1635, 2325, 2725, 2943, 3379, 4185, 4905, 6975, 8175, 10137, 14715, 16895, 20925, 24525, 30411, 50685, 73575, 84475, 91233, 152055, 253425, 456165, 760275, 2280825]

約数ペア:

[(1, 2280825), (3, 760275), (5, 456165), (9, 253425), (15, 152055), (25, 91233), (27, 84475), (31, 73575), (45, 50685), (75, 30411), (93, 24525), (109, 20925), (135, 16895), (155, 14715), (225, 10137), (279, 8175), (327, 6975), (465, 4905), (545, 4185), (675, 3379), (775, 2943), (837, 2725), (981, 2325), (1395, 1635)]