2540013

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 4054752

約数和(自身を除く): 1514739

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 467, 777, 1401, 1813, 3269, 5439, 9807, 17279, 22883, 51837, 68649, 120953, 362859, 846671, 2540013]

約数ペア:

[(1, 2540013), (3, 846671), (7, 362859), (21, 120953), (37, 68649), (49, 51837), (111, 22883), (147, 17279), (259, 9807), (467, 5439), (777, 3269), (1401, 1813)]