28152285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1361}}^1$

素因数の和:1573

約数の個数: 32

約数和(自身を含む): 51777792

約数和(自身を除く): 23625507

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 197, 591, 985, 1361, 1379, 2955, 4083, 4137, 6805, 6895, 9527, 20415, 20685, 28581, 47635, 142905, 268117, 804351, 1340585, 1876819, 4021755, 5630457, 9384095, 28152285]

約数ペア:

[(1, 28152285), (3, 9384095), (5, 5630457), (7, 4021755), (15, 1876819), (21, 1340585), (35, 804351), (105, 268117), (197, 142905), (591, 47635), (985, 28581), (1361, 20685), (1379, 20415), (2955, 9527), (4083, 6895), (4137, 6805)]