28811853

素因数分解:

$3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{827}}^1$

素因数の和:926

約数の個数: 36

約数和(自身を含む): 49083840

約数和(自身を除く): 20271987

約数列:

[1, 3, 7, 9, 21, 49, 63, 79, 147, 237, 441, 553, 711, 827, 1659, 2481, 3871, 4977, 5789, 7443, 11613, 17367, 34839, 40523, 52101, 65333, 121569, 195999, 364707, 457331, 587997, 1371993, 3201317, 4115979, 9603951, 28811853]

約数ペア:

[(1, 28811853), (3, 9603951), (7, 4115979), (9, 3201317), (21, 1371993), (49, 587997), (63, 457331), (79, 364707), (147, 195999), (237, 121569), (441, 65333), (553, 52101), (711, 40523), (827, 34839), (1659, 17367), (2481, 11613), (3871, 7443), (4977, 5789)]