61415781

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2423}}^1$

素因数の和:2521

約数の個数: 32

約数和(自身を含む): 100528128

約数和(自身を除く): 39112347

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 1207, 1491, 2423, 3621, 7269, 8449, 16961, 25347, 41191, 50883, 123573, 172033, 288337, 516099, 865011, 1204231, 2924561, 3612693, 8773683, 20471927, 61415781]

約数ペア:

[(1, 61415781), (3, 20471927), (7, 8773683), (17, 3612693), (21, 2924561), (51, 1204231), (71, 865011), (119, 516099), (213, 288337), (357, 172033), (497, 123573), (1207, 50883), (1491, 41191), (2423, 25347), (3621, 16961), (7269, 8449)]