28609749

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 20811051

約数列:

[1, 3, 7, 9, 21, 43, 59, 63, 129, 177, 179, 301, 387, 413, 531, 537, 903, 1239, 1253, 1611, 2537, 2709, 3717, 3759, 7611, 7697, 10561, 11277, 17759, 22833, 23091, 31683, 53277, 53879, 69273, 73927, 95049, 159831, 161637, 221781, 454123, 484911, 665343, 1362369, 3178861, 4087107, 9536583, 28609749]

約数ペア:

[(1, 28609749), (3, 9536583), (7, 4087107), (9, 3178861), (21, 1362369), (43, 665343), (59, 484911), (63, 454123), (129, 221781), (177, 161637), (179, 159831), (301, 95049), (387, 73927), (413, 69273), (531, 53879), (537, 53277), (903, 31683), (1239, 23091), (1253, 22833), (1611, 17759), (2537, 11277), (2709, 10561), (3717, 7697), (3759, 7611)]