2557269

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2017

約数の個数: 24

約数和(自身を含む): 4341792

約数和(自身を除く): 1784523

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 1987, 5961, 17883, 21857, 25831, 65571, 77493, 196713, 232479, 284141, 852423, 2557269]

約数ペア:

[(1, 2557269), (3, 852423), (9, 284141), (11, 232479), (13, 196713), (33, 77493), (39, 65571), (99, 25831), (117, 21857), (143, 17883), (429, 5961), (1287, 1987)]