72648171

素因数分解:

$3^4\times {\mathrm{839}}^1\times {\mathrm{1069}}^1$

素因数の和:1920

約数の個数: 20

約数和(自身を含む): 108754800

約数和(自身を除く): 36106629

約数列:

[1, 3, 9, 27, 81, 839, 1069, 2517, 3207, 7551, 9621, 22653, 28863, 67959, 86589, 896891, 2690673, 8072019, 24216057, 72648171]

約数ペア:

[(1, 72648171), (3, 24216057), (9, 8072019), (27, 2690673), (81, 896891), (839, 86589), (1069, 67959), (2517, 28863), (3207, 22653), (7551, 9621)]