28513359

素因数分解:

$3^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{907}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 47216000

約数和(自身を除く): 18702641

約数列:

[1, 3, 7, 9, 21, 63, 499, 907, 1497, 2721, 3493, 4491, 6349, 8163, 10479, 19047, 31437, 57141, 452593, 1357779, 3168151, 4073337, 9504453, 28513359]

約数ペア:

[(1, 28513359), (3, 9504453), (7, 4073337), (9, 3168151), (21, 1357779), (63, 452593), (499, 57141), (907, 31437), (1497, 19047), (2721, 10479), (3493, 8163), (4491, 6349)]