19789087563

素因数分解:

$3^4\times 7^1\times {\mathrm{6869}}^1\times {\mathrm{5081}}^1$

素因数の和:11969

約数の個数: 40

約数和(自身を含む): 33796113120

約数和(自身を除く): 14007025557

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 5081, 6869, 15243, 20607, 35567, 45729, 48083, 61821, 106701, 137187, 144249, 185463, 320103, 411561, 432747, 556389, 960309, 1298241, 2880927, 3894723, 34901389, 104704167, 244309723, 314112501, 732929169, 942337503, 2198787507, 2827012509, 6596362521, 19789087563]

約数ペア:

[(1, 19789087563), (3, 6596362521), (7, 2827012509), (9, 2198787507), (21, 942337503), (27, 732929169), (63, 314112501), (81, 244309723), (189, 104704167), (567, 34901389), (5081, 3894723), (6869, 2880927), (15243, 1298241), (20607, 960309), (35567, 556389), (45729, 432747), (48083, 411561), (61821, 320103), (106701, 185463), (137187, 144249)]