67881289

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{18401}}^1$

素因数の和:18456

約数の個数: 16

約数和(自身を含む): 84796416

約数和(自身を除く): 16915127

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 18401, 128807, 312817, 570431, 2189719, 3993017, 9697327, 67881289]

約数ペア:

[(1, 67881289), (7, 9697327), (17, 3993017), (31, 2189719), (119, 570431), (217, 312817), (527, 128807), (3689, 18401)]