213173639

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{9181}}^1$

素因数の和:9326

約数の個数: 16

約数和(自身を含む): 253863936

約数和(自身を除く): 40690297

約数列:

[1, 7, 31, 107, 217, 749, 3317, 9181, 23219, 64267, 284611, 982367, 1992277, 6876569, 30453377, 213173639]

約数ペア:

[(1, 213173639), (7, 30453377), (31, 6876569), (107, 1992277), (217, 982367), (749, 284611), (3317, 64267), (9181, 23219)]