2538284721

素因数分解:

$3^1\times 7^3\times {\mathrm{2466749}}^1$

素因数の和:2466773

約数の個数: 16

約数和(自身を含む): 3946800000

約数和(自身を除く): 1408515279

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2466749, 7400247, 17267243, 51801729, 120870701, 362612103, 846094907, 2538284721]

約数ペア:

[(1, 2538284721), (3, 846094907), (7, 362612103), (21, 120870701), (49, 51801729), (147, 17267243), (343, 7400247), (1029, 2466749)]