81701615

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{1213}}^1$

素因数の和:1946

約数の個数: 16

約数和(自身を含む): 103432800

約数和(自身を除く): 21731185

約数列:

[1, 5, 19, 95, 709, 1213, 3545, 6065, 13471, 23047, 67355, 115235, 860017, 4300085, 16340323, 81701615]

約数ペア:

[(1, 81701615), (5, 16340323), (19, 4300085), (95, 860017), (709, 115235), (1213, 67355), (3545, 23047), (6065, 13471)]