60978987

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{7309}}^1$

素因数の和:7424

約数の個数: 20

約数和(自身を含む): 91989040

約数和(自身を除く): 31010053

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 7309, 8343, 21927, 65781, 197343, 592029, 752827, 2258481, 6775443, 20326329, 60978987]

約数ペア:

[(1, 60978987), (3, 20326329), (9, 6775443), (27, 2258481), (81, 752827), (103, 592029), (309, 197343), (927, 65781), (2781, 21927), (7309, 8343)]