517995

素因数分解:

$3^4\times 5^1\times {\mathrm{1279}}^1$

素因数の和:1296

約数の個数: 20

約数和(自身を含む): 929280

約数和(自身を除く): 411285

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1279, 3837, 6395, 11511, 19185, 34533, 57555, 103599, 172665, 517995]

約数ペア:

[(1, 517995), (3, 172665), (5, 103599), (9, 57555), (15, 34533), (27, 19185), (45, 11511), (81, 6395), (135, 3837), (405, 1279)]