31530825

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3259}}^1$

素因数の和:3318

約数の個数: 36

約数和(自身を含む): 57806320

約数和(自身を除く): 26275495

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3225, 3259, 9675, 9777, 16295, 29331, 48885, 81475, 140137, 146655, 244425, 420411, 700685, 733275, 1261233, 2102055, 3503425, 6306165, 10510275, 31530825]

約数ペア:

[(1, 31530825), (3, 10510275), (5, 6306165), (9, 3503425), (15, 2102055), (25, 1261233), (43, 733275), (45, 700685), (75, 420411), (129, 244425), (215, 146655), (225, 140137), (387, 81475), (645, 48885), (1075, 29331), (1935, 16295), (3225, 9777), (3259, 9675)]