27657217

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 34491840

約数和(自身を除く): 6834623

約数列:

[1, 7, 19, 49, 61, 133, 427, 487, 931, 1159, 2989, 3409, 8113, 9253, 23863, 29707, 56791, 64771, 207949, 453397, 564433, 1455643, 3951031, 27657217]

約数ペア:

[(1, 27657217), (7, 3951031), (19, 1455643), (49, 564433), (61, 453397), (133, 207949), (427, 64771), (487, 56791), (931, 29707), (1159, 23863), (2989, 9253), (3409, 8113)]