128759787

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{122279}}^1$

素因数の和:122304

約数の個数: 20

約数和(自身を含む): 207142320

約数和(自身を除く): 78382533

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 122279, 366837, 1100511, 1589627, 3301533, 4768881, 9904599, 14306643, 42919929, 128759787]

約数ペア:

[(1, 128759787), (3, 42919929), (9, 14306643), (13, 9904599), (27, 4768881), (39, 3301533), (81, 1589627), (117, 1100511), (351, 366837), (1053, 122279)]