408906141

素因数分解:

$3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{39983}}^1$

素因数の和:40480

約数の個数: 16

約数和(自身を含む): 624390144

約数和(自身を除く): 215484003

約数列:

[1, 3, 7, 21, 487, 1461, 3409, 10227, 39983, 119949, 279881, 839643, 19471721, 58415163, 136302047, 408906141]

約数ペア:

[(1, 408906141), (3, 136302047), (7, 58415163), (21, 19471721), (487, 839643), (1461, 279881), (3409, 119949), (10227, 39983)]