73721121

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{1999}}^1$

素因数の和:2668

約数の個数: 16

約数和(自身を含む): 103680000

約数和(自身を除く): 29958879

約数列:

[1, 3, 19, 57, 647, 1941, 1999, 5997, 12293, 36879, 37981, 113943, 1293353, 3880059, 24573707, 73721121]

約数ペア:

[(1, 73721121), (3, 24573707), (19, 3880059), (57, 1293353), (647, 113943), (1941, 37981), (1999, 36879), (5997, 12293)]