2782755

素因数分解:

$3^4\times 5^1\times {\mathrm{6871}}^1$

素因数の和:6888

約数の個数: 20

約数和(自身を含む): 4989072

約数和(自身を除く): 2206317

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6871, 20613, 34355, 61839, 103065, 185517, 309195, 556551, 927585, 2782755]

約数ペア:

[(1, 2782755), (3, 927585), (5, 556551), (9, 309195), (15, 185517), (27, 103065), (45, 61839), (81, 34355), (135, 20613), (405, 6871)]