201851881

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 262619136

約数和(自身を除く): 60767255

約数列:

[1, 7, 11, 31, 77, 103, 217, 341, 721, 821, 1133, 2387, 3193, 5747, 7931, 9031, 22351, 25451, 35123, 63217, 84563, 178157, 245861, 279961, 591941, 930193, 1959727, 2621453, 6511351, 18350171, 28835983, 201851881]

約数ペア:

[(1, 201851881), (7, 28835983), (11, 18350171), (31, 6511351), (77, 2621453), (103, 1959727), (217, 930193), (341, 591941), (721, 279961), (821, 245861), (1133, 178157), (2387, 84563), (3193, 63217), (5747, 35123), (7931, 25451), (9031, 22351)]