68320281

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{21067}}^1$

素因数の和:21140

約数の個数: 16

約数和(自身を含む): 97081344

約数和(自身を除く): 28761063

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 21067, 63201, 484541, 990149, 1453623, 2970447, 22773427, 68320281]

約数ペア:

[(1, 68320281), (3, 22773427), (23, 2970447), (47, 1453623), (69, 990149), (141, 484541), (1081, 63201), (3243, 21067)]