31331907

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{26987}}^1$

素因数の和:27039

約数の個数: 16

約数和(自身を含む): 47498880

約数和(自身を除く): 16166973

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 26987, 80961, 242883, 728649, 1160441, 3481323, 10443969, 31331907]

約数ペア:

[(1, 31331907), (3, 10443969), (9, 3481323), (27, 1160441), (43, 728649), (129, 242883), (387, 80961), (1161, 26987)]