12787159

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 16615424

約数和(自身を除く): 3828265

約数列:

[1, 7, 11, 31, 77, 121, 217, 341, 487, 847, 2387, 3409, 3751, 5357, 15097, 26257, 37499, 58927, 105679, 166067, 412489, 1162469, 1826737, 12787159]

約数ペア:

[(1, 12787159), (7, 1826737), (11, 1162469), (31, 412489), (77, 166067), (121, 105679), (217, 58927), (341, 37499), (487, 26257), (847, 15097), (2387, 5357), (3409, 3751)]