20171120907

素因数分解:

$3^1\times 7^1\times {\mathrm{6481}}^1\times {\mathrm{148207}}^1$

素因数の和:154698

約数の個数: 16

約数和(自身を含む): 30741896192

約数和(自身を除く): 10570775285

約数列:

[1, 3, 7, 21, 6481, 19443, 45367, 136101, 148207, 444621, 1037449, 3112347, 960529567, 2881588701, 6723706969, 20171120907]

約数ペア:

[(1, 20171120907), (3, 6723706969), (7, 2881588701), (21, 960529567), (6481, 3112347), (19443, 1037449), (45367, 444621), (136101, 148207)]