31290114261

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78421339}}^1$

素因数の和:78421368

約数の個数: 16

約数和(自身を含む): 50189657600

約数和(自身を除く): 18899543339

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 78421339, 235264017, 548949373, 1490005441, 1646848119, 4470016323, 10430038087, 31290114261]

約数ペア:

[(1, 31290114261), (3, 10430038087), (7, 4470016323), (19, 1646848119), (21, 1490005441), (57, 548949373), (133, 235264017), (399, 78421339)]