28129563

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{40591}}^1$

素因数の和:40615

約数の個数: 24

約数和(自身を含む): 50658816

約数和(自身を除く): 22529253

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 40591, 121773, 284137, 365319, 446501, 852411, 1339503, 2557233, 3125507, 4018509, 9376521, 28129563]

約数ペア:

[(1, 28129563), (3, 9376521), (7, 4018509), (9, 3125507), (11, 2557233), (21, 1339503), (33, 852411), (63, 446501), (77, 365319), (99, 284137), (231, 121773), (693, 40591)]