18491301

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{4999}}^1$

素因数の和:5145

約数の個数: 16

約数和(自身を含む): 27600000

約数和(自身を除く): 9108699

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 4999, 14997, 44991, 134973, 684863, 2054589, 6163767, 18491301]

約数ペア:

[(1, 18491301), (3, 6163767), (9, 2054589), (27, 684863), (137, 134973), (411, 44991), (1233, 14997), (3699, 4999)]