28685097

素因数分解:

$3^4\times 7^1\times {\mathrm{50591}}^1$

素因数の和:50610

約数の個数: 20

約数和(自身を含む): 48973056

約数和(自身を除く): 20287959

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 50591, 151773, 354137, 455319, 1062411, 1365957, 3187233, 4097871, 9561699, 28685097]

約数ペア:

[(1, 28685097), (3, 9561699), (7, 4097871), (9, 3187233), (21, 1365957), (27, 1062411), (63, 455319), (81, 354137), (189, 151773), (567, 50591)]