12220143

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{727}}^1$

素因数の和:1174

約数の個数: 16

約数和(自身を含む): 17611776

約数和(自身を除く): 5391633

約数列:

[1, 3, 13, 39, 431, 727, 1293, 2181, 5603, 9451, 16809, 28353, 313337, 940011, 4073381, 12220143]

約数ペア:

[(1, 12220143), (3, 4073381), (13, 940011), (39, 313337), (431, 28353), (727, 16809), (1293, 9451), (2181, 5603)]