3900939

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 6451200

約数和(自身を除く): 2550261

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 223, 343, 357, 669, 833, 1029, 1561, 2499, 3791, 4683, 5831, 10927, 11373, 17493, 26537, 32781, 76489, 79611, 185759, 229467, 557277, 1300313, 3900939]

約数ペア:

[(1, 3900939), (3, 1300313), (7, 557277), (17, 229467), (21, 185759), (49, 79611), (51, 76489), (119, 32781), (147, 26537), (223, 17493), (343, 11373), (357, 10927), (669, 5831), (833, 4683), (1029, 3791), (1561, 2499)]