68801643

素因数分解:

$3^4\times {\mathrm{643}}^1\times {\mathrm{1321}}^1$

素因数の和:1976

約数の個数: 20

約数和(自身を含む): 103015528

約数和(自身を除く): 34213885

約数列:

[1, 3, 9, 27, 81, 643, 1321, 1929, 3963, 5787, 11889, 17361, 35667, 52083, 107001, 849403, 2548209, 7644627, 22933881, 68801643]

約数ペア:

[(1, 68801643), (3, 22933881), (9, 7644627), (27, 2548209), (81, 849403), (643, 107001), (1321, 52083), (1929, 35667), (3963, 17361), (5787, 11889)]