216831999

素因数分解:

$3^1\times {\mathrm{277}}^1\times {\mathrm{311}}^1\times {\mathrm{839}}^1$

素因数の和:1430

約数の個数: 16

約数和(自身を含む): 291432960

約数和(自身を除く): 74600961

約数列:

[1, 3, 277, 311, 831, 839, 933, 2517, 86147, 232403, 258441, 260929, 697209, 782787, 72277333, 216831999]

約数ペア:

[(1, 216831999), (3, 72277333), (277, 782787), (311, 697209), (831, 260929), (839, 258441), (933, 232403), (2517, 86147)]