2156949

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:902

約数の個数: 20

約数和(自身を含む): 3329920

約数和(自身を除く): 1172971

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 859, 2511, 2577, 7731, 23193, 26629, 69579, 79887, 239661, 718983, 2156949]

約数ペア:

[(1, 2156949), (3, 718983), (9, 239661), (27, 79887), (31, 69579), (81, 26629), (93, 23193), (279, 7731), (837, 2577), (859, 2511)]