31121489

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{829}}^1$

素因数の和:1040

約数の個数: 16

約数和(自身を含む): 36971520

約数和(自身を除く): 5850031

約数列:

[1, 7, 31, 173, 217, 829, 1211, 5363, 5803, 25699, 37541, 143417, 179893, 1003919, 4445927, 31121489]

約数ペア:

[(1, 31121489), (7, 4445927), (31, 1003919), (173, 179893), (217, 143417), (829, 37541), (1211, 25699), (5363, 5803)]