28239405

素因数分解:

$3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4603}}^1$

素因数の和:5020

約数の個数: 16

約数和(自身を含む): 45303360

約数和(自身を除く): 17063955

約数列:

[1, 3, 5, 15, 409, 1227, 2045, 4603, 6135, 13809, 23015, 69045, 1882627, 5647881, 9413135, 28239405]

約数ペア:

[(1, 28239405), (3, 9413135), (5, 5647881), (15, 1882627), (409, 69045), (1227, 23015), (2045, 13809), (4603, 6135)]