68792521

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{3889}}^1$

素因数の和:3941

約数の個数: 18

約数和(自身を含む): 84479130

約数和(自身を除く): 15686609

約数列:

[1, 7, 19, 49, 133, 361, 931, 2527, 3889, 17689, 27223, 73891, 190561, 517237, 1403929, 3620659, 9827503, 68792521]

約数ペア:

[(1, 68792521), (7, 9827503), (19, 3620659), (49, 1403929), (133, 517237), (361, 190561), (931, 73891), (2527, 27223), (3889, 17689)]