138631999

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1283}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 163941120

約数和(自身を除く): 25309121

約数列:

[1, 11, 19, 47, 121, 209, 517, 893, 1283, 2299, 5687, 9823, 14113, 24377, 60301, 108053, 155243, 268147, 663311, 1145719, 2949617, 7296421, 12602909, 138631999]

約数ペア:

[(1, 138631999), (11, 12602909), (19, 7296421), (47, 2949617), (121, 1145719), (209, 663311), (517, 268147), (893, 155243), (1283, 108053), (2299, 60301), (5687, 24377), (9823, 14113)]