1858131

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^2$

素因数の和:291

約数の個数: 18

約数和(自身を含む): 2949492

約数和(自身を除く): 1091361

約数列:

[1, 3, 9, 11, 33, 99, 137, 411, 1233, 1507, 4521, 13563, 18769, 56307, 168921, 206459, 619377, 1858131]

約数ペア:

[(1, 1858131), (3, 619377), (9, 206459), (11, 168921), (33, 56307), (99, 18769), (137, 13563), (411, 4521), (1233, 1507)]