28773837

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 42900000

約数和(自身を除く): 14126163

約数列:

[1, 3, 9, 43, 129, 149, 387, 447, 499, 1341, 1497, 4491, 6407, 19221, 21457, 57663, 64371, 74351, 193113, 223053, 669159, 3197093, 9591279, 28773837]

約数ペア:

[(1, 28773837), (3, 9591279), (9, 3197093), (43, 669159), (129, 223053), (149, 193113), (387, 74351), (447, 64371), (499, 57663), (1341, 21457), (1497, 19221), (4491, 6407)]