17861877

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{20047}}^1$

素因数の和:20070

約数の個数: 20

約数和(自身を含む): 29109696

約数和(自身を除く): 11247819

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 20047, 60141, 180423, 220517, 541269, 661551, 1623807, 1984653, 5953959, 17861877]

約数ペア:

[(1, 17861877), (3, 5953959), (9, 1984653), (11, 1623807), (27, 661551), (33, 541269), (81, 220517), (99, 180423), (297, 60141), (891, 20047)]