12758919

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 17352192

約数和(自身を除く): 4593273

約数列:

[1, 3, 103, 157, 263, 309, 471, 789, 16171, 27089, 41291, 48513, 81267, 123873, 4252973, 12758919]

約数ペア:

[(1, 12758919), (3, 4252973), (103, 123873), (157, 81267), (263, 48513), (309, 41291), (471, 27089), (789, 16171)]