20171642409

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17374369}}^1$

素因数の和:17374421

約数の個数: 16

約数和(自身を含む): 30578891200

約数和(自身を除く): 10407248791

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17374369, 52123107, 156369321, 469107963, 747097867, 2241293601, 6723880803, 20171642409]

約数ペア:

[(1, 20171642409), (3, 6723880803), (9, 2241293601), (27, 747097867), (43, 469107963), (129, 156369321), (387, 52123107), (1161, 17374369)]