1278528027

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{50441}}^1$

素因数の和:50539

約数の個数: 32

約数和(自身を含む): 2091930624

約数和(自身を除く): 813402597

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 1207, 1491, 3621, 8449, 25347, 50441, 151323, 353087, 857497, 1059261, 2572491, 3581311, 6002479, 10743933, 18007437, 25069177, 60882287, 75207531, 182646861, 426176009, 1278528027]

約数ペア:

[(1, 1278528027), (3, 426176009), (7, 182646861), (17, 75207531), (21, 60882287), (51, 25069177), (71, 18007437), (119, 10743933), (213, 6002479), (357, 3581311), (497, 2572491), (1207, 1059261), (1491, 857497), (3621, 353087), (8449, 151323), (25347, 50441)]