200901421

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6961}}^1$

素因数の和:7025

約数の個数: 24

約数和(自身を含む): 253973760

約数和(自身を除く): 53072339

約数列:

[1, 7, 19, 31, 49, 133, 217, 589, 931, 1519, 4123, 6961, 28861, 48727, 132259, 215791, 341089, 925813, 1510537, 4100029, 6480691, 10573759, 28700203, 200901421]

約数ペア:

[(1, 200901421), (7, 28700203), (19, 10573759), (31, 6480691), (49, 4100029), (133, 1510537), (217, 925813), (589, 341089), (931, 215791), (1519, 132259), (4123, 48727), (6961, 28861)]