2515671999

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{120847}}^1$

素因数の和:121116

約数の個数: 20

約数和(自身を含む): 3772632864

約数和(自身を除く): 1256960865

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 6939, 20817, 120847, 362541, 1087623, 3262869, 9788607, 31057679, 93173037, 279519111, 838557333, 2515671999]

約数ペア:

[(1, 2515671999), (3, 838557333), (9, 279519111), (27, 93173037), (81, 31057679), (257, 9788607), (771, 3262869), (2313, 1087623), (6939, 362541), (20817, 120847)]