81438207

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1\times {\mathrm{883}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 110492928

約数和(自身を除く): 29054721

約数列:

[1, 3, 71, 213, 433, 883, 1299, 2649, 30743, 62693, 92229, 188079, 382339, 1147017, 27146069, 81438207]

約数ペア:

[(1, 81438207), (3, 27146069), (71, 1147017), (213, 382339), (433, 188079), (883, 92229), (1299, 62693), (2649, 30743)]