1280611.00000000

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 32617728

約数和(自身を除く): 12571107

約数列:

[1, 3, 7, 17, 21, 51, 119, 233, 241, 357, 699, 723, 1631, 1687, 3961, 4097, 4893, 5061, 11883, 12291, 27727, 28679, 56153, 83181, 86037, 168459, 393071, 954601, 1179213, 2863803, 6682207, 20046621]

約数ペア:

[(1, 20046621), (3, 6682207), (7, 2863803), (17, 1179213), (21, 954601), (51, 393071), (119, 168459), (233, 86037), (241, 83181), (357, 56153), (699, 28679), (723, 27727), (1631, 12291), (1687, 11883), (3961, 5061), (4097, 4893)]