1972755

素因数分解:

$3^4\times 5^1\times {\mathrm{4871}}^1$

素因数の和:4888

約数の個数: 20

約数和(自身を含む): 3537072

約数和(自身を除く): 1564317

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4871, 14613, 24355, 43839, 73065, 131517, 219195, 394551, 657585, 1972755]

約数ペア:

[(1, 1972755), (3, 657585), (5, 394551), (9, 219195), (15, 131517), (27, 73065), (45, 43839), (81, 24355), (135, 14613), (405, 4871)]