15120021

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1033}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 25014528

約数和(自身を除く): 9894507

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 1033, 2091, 3099, 4879, 7231, 14637, 17561, 21693, 42353, 52683, 122927, 127059, 296471, 368781, 720001, 889413, 2160003, 5040007, 15120021]

約数ペア:

[(1, 15120021), (3, 5040007), (7, 2160003), (17, 889413), (21, 720001), (41, 368781), (51, 296471), (119, 127059), (123, 122927), (287, 52683), (357, 42353), (697, 21693), (861, 17561), (1033, 14637), (2091, 7231), (3099, 4879)]