7221717

素因数分解:

$3^5\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 10954944

約数和(自身を除く): 3733227

約数列:

[1, 3, 9, 27, 81, 113, 243, 263, 339, 789, 1017, 2367, 3051, 7101, 9153, 21303, 27459, 29719, 63909, 89157, 267471, 802413, 2407239, 7221717]

約数ペア:

[(1, 7221717), (3, 2407239), (9, 802413), (27, 267471), (81, 89157), (113, 63909), (243, 29719), (263, 27459), (339, 21303), (789, 9153), (1017, 7101), (2367, 3051)]