39742119

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{1999}}^1$

素因数の和:2099

約数の個数: 18

約数和(自身を含む): 58682000

約数和(自身を除く): 18939881

約数列:

[1, 3, 9, 47, 141, 423, 1999, 2209, 5997, 6627, 17991, 19881, 93953, 281859, 845577, 4415791, 13247373, 39742119]

約数ペア:

[(1, 39742119), (3, 13247373), (9, 4415791), (47, 845577), (141, 281859), (423, 93953), (1999, 19881), (2209, 17991), (5997, 6627)]