65978445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1531}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 121113792

約数和(自身を除く): 55135347

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 169, 195, 221, 255, 507, 663, 845, 1105, 1531, 2535, 2873, 3315, 4593, 7655, 8619, 14365, 19903, 22965, 26027, 43095, 59709, 78081, 99515, 130135, 258739, 298545, 338351, 390405, 776217, 1015053, 1293695, 1691755, 3881085, 4398563, 5075265, 13195689, 21992815, 65978445]

約数ペア:

[(1, 65978445), (3, 21992815), (5, 13195689), (13, 5075265), (15, 4398563), (17, 3881085), (39, 1691755), (51, 1293695), (65, 1015053), (85, 776217), (169, 390405), (195, 338351), (221, 298545), (255, 258739), (507, 130135), (663, 99515), (845, 78081), (1105, 59709), (1531, 43095), (2535, 26027), (2873, 22965), (3315, 19903), (4593, 14365), (7655, 8619)]