201308905

素因数分解:

$5^1\times 7^2\times {\mathrm{571}}^1\times {\mathrm{1439}}^1$

素因数の和:2029

約数の個数: 24

約数和(自身を含む): 281698560

約数和(自身を除く): 80389655

約数列:

[1, 5, 7, 35, 49, 245, 571, 1439, 2855, 3997, 7195, 10073, 19985, 27979, 50365, 70511, 139895, 352555, 821669, 4108345, 5751683, 28758415, 40261781, 201308905]

約数ペア:

[(1, 201308905), (5, 40261781), (7, 28758415), (35, 5751683), (49, 4108345), (245, 821669), (571, 352555), (1439, 139895), (2855, 70511), (3997, 50365), (7195, 27979), (10073, 19985)]