13790511

素因数分解:

$3^2\times 7^2\times {\mathrm{31271}}^1$

素因数の和:31291

約数の個数: 18

約数和(自身を含む): 23172552

約数和(自身を除く): 9382041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 31271, 93813, 218897, 281439, 656691, 1532279, 1970073, 4596837, 13790511]

約数ペア:

[(1, 13790511), (3, 4596837), (7, 1970073), (9, 1532279), (21, 656691), (49, 281439), (63, 218897), (147, 93813), (441, 31271)]