86639787

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{82279}}^1$

素因数の和:82304

約数の個数: 20

約数和(自身を含む): 139382320

約数和(自身を除く): 52742533

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 82279, 246837, 740511, 1069627, 2221533, 3208881, 6664599, 9626643, 28879929, 86639787]

約数ペア:

[(1, 86639787), (3, 28879929), (9, 9626643), (13, 6664599), (27, 3208881), (39, 2221533), (81, 1069627), (117, 740511), (351, 246837), (1053, 82279)]