20215192005

素因数分解:

$3^3\times 5^1\times {\mathrm{149742163}}^1$

素因数の和:149742177

約数の個数: 16

約数和(自身を含む): 35938119360

約数和(自身を除く): 15722927355

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149742163, 449226489, 748710815, 1347679467, 2246132445, 4043038401, 6738397335, 20215192005]

約数ペア:

[(1, 20215192005), (3, 6738397335), (5, 4043038401), (9, 2246132445), (15, 1347679467), (27, 748710815), (45, 449226489), (135, 149742163)]