205254105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{2381}}^1$

素因数の和:3217

約数の個数: 32

約数和(自身を含む): 375936768

約数和(自身を除く): 170682663

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 821, 2381, 2463, 4105, 5747, 7143, 11905, 12315, 16667, 17241, 28735, 35715, 50001, 83335, 86205, 250005, 1954801, 5864403, 9774005, 13683607, 29322015, 41050821, 68418035, 205254105]

約数ペア:

[(1, 205254105), (3, 68418035), (5, 41050821), (7, 29322015), (15, 13683607), (21, 9774005), (35, 5864403), (105, 1954801), (821, 250005), (2381, 86205), (2463, 83335), (4105, 50001), (5747, 35715), (7143, 28735), (11905, 17241), (12315, 16667)]