2151927

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:900

約数の個数: 20

約数和(自身を含む): 3322176

約数和(自身を除く): 1170249

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 857, 2511, 2571, 7713, 23139, 26567, 69417, 79701, 239103, 717309, 2151927]

約数ペア:

[(1, 2151927), (3, 717309), (9, 239103), (27, 79701), (31, 69417), (81, 26567), (93, 23139), (279, 7713), (837, 2571), (857, 2511)]