9778239

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2052

約数の個数: 20

約数和(自身を含む): 14853960

約数和(自身を除く): 5075721

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 1979, 4941, 5937, 17811, 53433, 120719, 160299, 362157, 1086471, 3259413, 9778239]

約数ペア:

[(1, 9778239), (3, 3259413), (9, 1086471), (27, 362157), (61, 160299), (81, 120719), (183, 53433), (549, 17811), (1647, 5937), (1979, 4941)]