25057755

素因数分解:

$3^4\times 5^1\times {\mathrm{61871}}^1$

素因数の和:61888

約数の個数: 20

約数和(自身を含む): 44919072

約数和(自身を除く): 19861317

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 61871, 185613, 309355, 556839, 928065, 1670517, 2784195, 5011551, 8352585, 25057755]

約数ペア:

[(1, 25057755), (3, 8352585), (5, 5011551), (9, 2784195), (15, 1670517), (27, 928065), (45, 556839), (81, 309355), (135, 185613), (405, 61871)]