12798891

素因数分解:

$3^4\times 7^1\times {\mathrm{22573}}^1$

素因数の和:22592

約数の個数: 20

約数和(自身を含む): 21851632

約数和(自身を除く): 9052741

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 22573, 67719, 158011, 203157, 474033, 609471, 1422099, 1828413, 4266297, 12798891]

約数ペア:

[(1, 12798891), (3, 4266297), (7, 1828413), (9, 1422099), (21, 609471), (27, 474033), (63, 203157), (81, 158011), (189, 67719), (567, 22573)]