25166943

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{1979}}^1$

素因数の和:2148

約数の個数: 20

約数和(自身を含む): 37853640

約数和(自身を除く): 12686697

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 1979, 4239, 5937, 12717, 17811, 53433, 160299, 310703, 932109, 2796327, 8388981, 25166943]

約数ペア:

[(1, 25166943), (3, 8388981), (9, 2796327), (27, 932109), (81, 310703), (157, 160299), (471, 53433), (1413, 17811), (1979, 12717), (4239, 5937)]