8857755

素因数分解:

$3^4\times 5^1\times {\mathrm{21871}}^1$

素因数の和:21888

約数の個数: 20

約数和(自身を含む): 15879072

約数和(自身を除く): 7021317

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 21871, 65613, 109355, 196839, 328065, 590517, 984195, 1771551, 2952585, 8857755]

約数ペア:

[(1, 8857755), (3, 2952585), (5, 1771551), (9, 984195), (15, 590517), (27, 328065), (45, 196839), (81, 109355), (135, 65613), (405, 21871)]