12780075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2213}}^1$

素因数の和:2244

約数の個数: 48

約数和(自身を含む): 26355456

約数和(自身を除く): 13575381

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 2213, 5775, 6639, 11065, 15491, 24343, 33195, 46473, 55325, 73029, 77455, 121715, 165975, 170401, 232365, 365145, 387275, 511203, 608575, 852005, 1161825, 1825725, 2556015, 4260025, 12780075]

約数ペア:

[(1, 12780075), (3, 4260025), (5, 2556015), (7, 1825725), (11, 1161825), (15, 852005), (21, 608575), (25, 511203), (33, 387275), (35, 365145), (55, 232365), (75, 170401), (77, 165975), (105, 121715), (165, 77455), (175, 73029), (231, 55325), (275, 46473), (385, 33195), (525, 24343), (825, 15491), (1155, 11065), (1925, 6639), (2213, 5775)]