28867629

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3361}}^1$

素因数の和:3780

約数の個数: 16

約数和(自身を含む): 44109440

約数和(自身を除く): 15241811

約数列:

[1, 3, 7, 21, 409, 1227, 2863, 3361, 8589, 10083, 23527, 70581, 1374649, 4123947, 9622543, 28867629]

約数ペア:

[(1, 28867629), (3, 9622543), (7, 4123947), (21, 1374649), (409, 70581), (1227, 23527), (2863, 10083), (3361, 8589)]