13348321

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 15897600

約数和(自身を除く): 2549279

約数列:

[1, 7, 31, 137, 217, 449, 959, 3143, 4247, 13919, 29729, 61513, 97433, 430591, 1906903, 13348321]

約数ペア:

[(1, 13348321), (7, 1906903), (31, 430591), (137, 97433), (217, 61513), (449, 29729), (959, 13919), (3143, 4247)]