25642533

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{9181}}^1$

素因数の和:9217

約数の個数: 24

約数和(自身を含む): 41869920

約数和(自身を除く): 16227387

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 9181, 27543, 64267, 174439, 192801, 449869, 523317, 1221073, 1349607, 3663219, 8547511, 25642533]

約数ペア:

[(1, 25642533), (3, 8547511), (7, 3663219), (19, 1349607), (21, 1221073), (49, 523317), (57, 449869), (133, 192801), (147, 174439), (399, 64267), (931, 27543), (2793, 9181)]