28008903

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23167}}^1$

素因数の和:23214

約数の個数: 16

約数和(自身を含む): 41517056

約数和(自身を除く): 13508153

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 23167, 69501, 301171, 718177, 903513, 2154531, 9336301, 28008903]

約数ペア:

[(1, 28008903), (3, 9336301), (13, 2154531), (31, 903513), (39, 718177), (93, 301171), (403, 69501), (1209, 23167)]