205127279

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1627}}^1$

素因数の和:1755

約数の個数: 24

約数和(自身を含む): 249435648

約数和(自身を除く): 44308369

約数列:

[1, 7, 31, 49, 83, 217, 581, 1519, 1627, 2573, 4067, 11389, 18011, 50437, 79723, 126077, 135041, 353059, 945287, 2471413, 4186271, 6617009, 29303897, 205127279]

約数ペア:

[(1, 205127279), (7, 29303897), (31, 6617009), (49, 4186271), (83, 2471413), (217, 945287), (581, 353059), (1519, 135041), (1627, 126077), (2573, 79723), (4067, 50437), (11389, 18011)]