17131331

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{18401}}^1$

素因数の和:18434

約数の個数: 12

約数和(自身を含む): 20978280

約数和(自身を除く): 3846949

約数列:

[1, 7, 19, 49, 133, 931, 18401, 128807, 349619, 901649, 2447333, 17131331]

約数ペア:

[(1, 17131331), (7, 2447333), (19, 901649), (49, 349619), (133, 128807), (931, 18401)]