1286109

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{1181}}^1$

素因数の和:1209

約数の個数: 18

約数和(自身を含む): 2043678

約数和(自身を除く): 757569

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 1181, 3543, 10629, 12991, 38973, 116919, 142901, 428703, 1286109]

約数ペア:

[(1, 1286109), (3, 428703), (9, 142901), (11, 116919), (33, 38973), (99, 12991), (121, 10629), (363, 3543), (1089, 1181)]