12880857549

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{907}}^1\times {\mathrm{35593}}^1$

素因数の和:36529

約数の個数: 32

約数和(自身を含む): 20684385280

約数和(自身を除く): 7803527731

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 907, 2721, 6349, 17233, 19047, 35593, 51699, 106779, 120631, 249151, 361893, 676267, 747453, 2028801, 4733869, 14201607, 32282851, 96848553, 225979957, 613374169, 677939871, 1840122507, 4293619183, 12880857549]

約数ペア:

[(1, 12880857549), (3, 4293619183), (7, 1840122507), (19, 677939871), (21, 613374169), (57, 225979957), (133, 96848553), (399, 32282851), (907, 14201607), (2721, 4733869), (6349, 2028801), (17233, 747453), (19047, 676267), (35593, 361893), (51699, 249151), (106779, 120631)]