68220399

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{563}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 99083520

約数和(自身を除く): 30863121

約数列:

[1, 3, 13, 39, 169, 239, 507, 563, 717, 1689, 3107, 7319, 9321, 21957, 40391, 95147, 121173, 134557, 285441, 403671, 1749241, 5247723, 22740133, 68220399]

約数ペア:

[(1, 68220399), (3, 22740133), (13, 5247723), (39, 1749241), (169, 403671), (239, 285441), (507, 134557), (563, 121173), (717, 95147), (1689, 40391), (3107, 21957), (7319, 9321)]