30640725

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3167}}^1$

素因数の和:3226

約数の個数: 36

約数和(自身を含む): 56174976

約数和(自身を除く): 25534251

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3167, 3225, 9501, 9675, 15835, 28503, 47505, 79175, 136181, 142515, 237525, 408543, 680905, 712575, 1225629, 2042715, 3404525, 6128145, 10213575, 30640725]

約数ペア:

[(1, 30640725), (3, 10213575), (5, 6128145), (9, 3404525), (15, 2042715), (25, 1225629), (43, 712575), (45, 680905), (75, 408543), (129, 237525), (215, 142515), (225, 136181), (387, 79175), (645, 47505), (1075, 28503), (1935, 15835), (3167, 9675), (3225, 9501)]