18778864743

素因数分解:

$3^3\times {\mathrm{2801}}^1\times {\mathrm{248309}}^1$

素因数の和:251119

約数の個数: 16

約数和(自身を含む): 27830584800

約数和(自身を除く): 9051720057

約数列:

[1, 3, 9, 27, 2801, 8403, 25209, 75627, 248309, 744927, 2234781, 6704343, 695513509, 2086540527, 6259621581, 18778864743]

約数ペア:

[(1, 18778864743), (3, 6259621581), (9, 2086540527), (27, 695513509), (2801, 6704343), (8403, 2234781), (25209, 744927), (75627, 248309)]