28219863

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{36319}}^1$

素因数の和:36366

約数の個数: 16

約数和(自身を含む): 44165120

約数和(自身を除く): 15945257

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 36319, 108957, 254233, 762699, 1343803, 4031409, 9406621, 28219863]

約数ペア:

[(1, 28219863), (3, 9406621), (7, 4031409), (21, 1343803), (37, 762699), (111, 254233), (259, 108957), (777, 36319)]