81420599

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5189}}^1$

素因数の和:5290

約数の個数: 16

約数和(自身を含む): 94167360

約数和(自身を除く): 12746761

約数列:

[1, 13, 17, 71, 221, 923, 1207, 5189, 15691, 67457, 88213, 368419, 1146769, 4789447, 6263123, 81420599]

約数ペア:

[(1, 81420599), (13, 6263123), (17, 4789447), (71, 1146769), (221, 368419), (923, 88213), (1207, 67457), (5189, 15691)]