979220907

素因数分解:

$3^4\times 7^1\times {\mathrm{1727021}}^1$

素因数の和:1727040

約数の個数: 20

約数和(自身を含む): 1671757296

約数和(自身を除く): 692536389

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1727021, 5181063, 12089147, 15543189, 36267441, 46629567, 108802323, 139888701, 326406969, 979220907]

約数ペア:

[(1, 979220907), (3, 326406969), (7, 139888701), (9, 108802323), (21, 46629567), (27, 36267441), (63, 15543189), (81, 12089147), (189, 5181063), (567, 1727021)]