78789753

素因数分解:

$3^4\times 7^1\times {\mathrm{138959}}^1$

素因数の和:138978

約数の個数: 20

約数和(自身を含む): 134513280

約数和(自身を除く): 55723527

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 138959, 416877, 972713, 1250631, 2918139, 3751893, 8754417, 11255679, 26263251, 78789753]

約数ペア:

[(1, 78789753), (3, 26263251), (7, 11255679), (9, 8754417), (21, 3751893), (27, 2918139), (63, 1250631), (81, 972713), (189, 416877), (567, 138959)]