25206615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{80021}}^1$

素因数の和:80039

約数の個数: 24

約数和(自身を含む): 49933728

約数和(自身を除く): 24727113

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 80021, 240063, 400105, 560147, 720189, 1200315, 1680441, 2800735, 3600945, 5041323, 8402205, 25206615]

約数ペア:

[(1, 25206615), (3, 8402205), (5, 5041323), (7, 3600945), (9, 2800735), (15, 1680441), (21, 1200315), (35, 720189), (45, 560147), (63, 400105), (105, 240063), (315, 80021)]