81898287

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{3733}}^1$

素因数の和:3910

約数の個数: 16

約数和(自身を含む): 111840768

約数和(自身を除く): 29942481

約数列:

[1, 3, 71, 103, 213, 309, 3733, 7313, 11199, 21939, 265043, 384499, 795129, 1153497, 27299429, 81898287]

約数ペア:

[(1, 81898287), (3, 27299429), (71, 1153497), (103, 795129), (213, 384499), (309, 265043), (3733, 21939), (7313, 11199)]