20772801

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{839}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 14708799

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 839, 917, 1179, 2517, 2751, 3537, 5873, 7551, 8253, 17619, 22653, 24759, 52857, 109909, 158571, 329727, 769363, 989181, 2308089, 2967543, 6924267, 20772801]

約数ペア:

[(1, 20772801), (3, 6924267), (7, 2967543), (9, 2308089), (21, 989181), (27, 769363), (63, 329727), (131, 158571), (189, 109909), (393, 52857), (839, 24759), (917, 22653), (1179, 17619), (2517, 8253), (2751, 7551), (3537, 5873)]