72408087

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{20789}}^1$

素因数の和:20844

約数の個数: 20

約数和(自身を含む): 110685960

約数和(自身を除く): 38277873

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 20789, 62367, 187101, 561303, 893927, 1683909, 2681781, 8045343, 24136029, 72408087]

約数ペア:

[(1, 72408087), (3, 24136029), (9, 8045343), (27, 2681781), (43, 1683909), (81, 893927), (129, 561303), (387, 187101), (1161, 62367), (3483, 20789)]