7121895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2539}}^1$

素因数の和:2575

約数の個数: 32

約数和(自身を含む): 13167360

約数和(自身を除く): 6045465

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2539, 2805, 7617, 12695, 27929, 38085, 43163, 83787, 129489, 139645, 215815, 418935, 474793, 647445, 1424379, 2373965, 7121895]

約数ペア:

[(1, 7121895), (3, 2373965), (5, 1424379), (11, 647445), (15, 474793), (17, 418935), (33, 215815), (51, 139645), (55, 129489), (85, 83787), (165, 43163), (187, 38085), (255, 27929), (561, 12695), (935, 7617), (2539, 2805)]