12861121

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1789}}^1$

素因数の和:1888

約数の個数: 16

約数和(自身を含む): 16038400

約数和(自身を除く): 3177279

約数列:

[1, 7, 13, 79, 91, 553, 1027, 1789, 7189, 12523, 23257, 141331, 162799, 989317, 1837303, 12861121]

約数ペア:

[(1, 12861121), (7, 1837303), (13, 989317), (79, 162799), (91, 141331), (553, 23257), (1027, 12523), (1789, 7189)]