3997975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 5490720

約数和(自身を除く): 1492745

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 409, 425, 575, 1955, 2045, 6953, 9407, 9775, 10225, 34765, 47035, 159919, 173825, 235175, 799595, 3997975]

約数ペア:

[(1, 3997975), (5, 799595), (17, 235175), (23, 173825), (25, 159919), (85, 47035), (115, 34765), (391, 10225), (409, 9775), (425, 9407), (575, 6953), (1955, 2045)]