15217713

素因数分解:

$3^4\times 7^1\times {\mathrm{26839}}^1$

素因数の和:26858

約数の個数: 20

約数和(自身を含む): 25981120

約数和(自身を除く): 10763407

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 26839, 80517, 187873, 241551, 563619, 724653, 1690857, 2173959, 5072571, 15217713]

約数ペア:

[(1, 15217713), (3, 5072571), (7, 2173959), (9, 1690857), (21, 724653), (27, 563619), (63, 241551), (81, 187873), (189, 80517), (567, 26839)]