825471

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 24

約数和(自身を含む): 1281280

約数和(自身を除く): 455809

約数列:

[1, 3, 9, 27, 43, 79, 81, 129, 237, 243, 387, 711, 1161, 2133, 3397, 3483, 6399, 10191, 10449, 19197, 30573, 91719, 275157, 825471]

約数ペア:

[(1, 825471), (3, 275157), (9, 91719), (27, 30573), (43, 19197), (79, 10449), (81, 10191), (129, 6399), (237, 3483), (243, 3397), (387, 2133), (711, 1161)]