778811517

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{874087}}^1$

素因数の和:874110

約数の個数: 20

約数和(自身を含む): 1269175776

約数和(自身を除く): 490364259

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 874087, 2622261, 7866783, 9614957, 23600349, 28844871, 70801047, 86534613, 259603839, 778811517]

約数ペア:

[(1, 778811517), (3, 259603839), (9, 86534613), (11, 70801047), (27, 28844871), (33, 23600349), (81, 9614957), (99, 7866783), (297, 2622261), (891, 874087)]