39975681

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{719}}^1$

素因数の和:1196

約数の個数: 16

約数和(自身を含む): 54743040

約数和(自身を除く): 14767359

約数列:

[1, 3, 43, 129, 431, 719, 1293, 2157, 18533, 30917, 55599, 92751, 309889, 929667, 13325227, 39975681]

約数ペア:

[(1, 39975681), (3, 13325227), (43, 929667), (129, 309889), (431, 92751), (719, 55599), (1293, 30917), (2157, 18533)]