172181385

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{27527}}^1$

素因数の和:27677

約数の個数: 24

約数和(自身を含む): 300605760

約数和(自身を除く): 128424375

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 27527, 82581, 137635, 247743, 412905, 1238715, 3826253, 11478759, 19131265, 34436277, 57393795, 172181385]

約数ペア:

[(1, 172181385), (3, 57393795), (5, 34436277), (9, 19131265), (15, 11478759), (45, 3826253), (139, 1238715), (417, 412905), (695, 247743), (1251, 137635), (2085, 82581), (6255, 27527)]