3640509

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 5628480

約数和(自身を除く): 1987971

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 409, 989, 1227, 2967, 3681, 8901, 9407, 17587, 28221, 52761, 84663, 158283, 404501, 1213503, 3640509]

約数ペア:

[(1, 3640509), (3, 1213503), (9, 404501), (23, 158283), (43, 84663), (69, 52761), (129, 28221), (207, 17587), (387, 9407), (409, 8901), (989, 3681), (1227, 2967)]