216868821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{32143}}^1$

素因数の和:32332

約数の個数: 16

約数和(自身を含む): 313211136

約数和(自身を除く): 96342315

約数列:

[1, 3, 13, 39, 173, 519, 2249, 6747, 32143, 96429, 417859, 1253577, 5560739, 16682217, 72289607, 216868821]

約数ペア:

[(1, 216868821), (3, 72289607), (13, 16682217), (39, 5560739), (173, 1253577), (519, 417859), (2249, 96429), (6747, 32143)]