28342881

素因数分解:

$3^2\times 7^1\times {\mathrm{433}}^1\times {\mathrm{1039}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 46941440

約数和(自身を除く): 18598559

約数列:

[1, 3, 7, 9, 21, 63, 433, 1039, 1299, 3031, 3117, 3897, 7273, 9093, 9351, 21819, 27279, 65457, 449887, 1349661, 3149209, 4048983, 9447627, 28342881]

約数ペア:

[(1, 28342881), (3, 9447627), (7, 4048983), (9, 3149209), (21, 1349661), (63, 449887), (433, 65457), (1039, 27279), (1299, 21819), (3031, 9351), (3117, 9093), (3897, 7273)]