28821807

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5791}}^1$

素因数の和:5883

約数の個数: 24

約数和(自身を含む): 48189440

約数和(自身を除く): 19367633

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 5791, 17373, 40537, 52119, 121611, 364833, 457489, 1372467, 3202423, 4117401, 9607269, 28821807]

約数ペア:

[(1, 28821807), (3, 9607269), (7, 4117401), (9, 3202423), (21, 1372467), (63, 457489), (79, 364833), (237, 121611), (553, 52119), (711, 40537), (1659, 17373), (4977, 5791)]