74315787

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1987}}^1$

素因数の和:2147

約数の個数: 32

約数和(自身を含む): 122906112

約数和(自身を除く): 48590325

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 411, 959, 1781, 1987, 2877, 5343, 5961, 12467, 13909, 25831, 37401, 41727, 77493, 180817, 272219, 542451, 816657, 1905533, 3538847, 5716599, 10616541, 24771929, 74315787]

約数ペア:

[(1, 74315787), (3, 24771929), (7, 10616541), (13, 5716599), (21, 3538847), (39, 1905533), (91, 816657), (137, 542451), (273, 272219), (411, 180817), (959, 77493), (1781, 41727), (1987, 37401), (2877, 25831), (5343, 13909), (5961, 12467)]