280170069

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 391716864

約数和(自身を除く): 111546795

約数列:

[1, 3, 43, 83, 129, 137, 191, 249, 411, 573, 3569, 5891, 8213, 10707, 11371, 15853, 17673, 24639, 26167, 34113, 47559, 78501, 488953, 681679, 1125181, 1466859, 2045037, 2171861, 3375543, 6515583, 93390023, 280170069]

約数ペア:

[(1, 280170069), (3, 93390023), (43, 6515583), (83, 3375543), (129, 2171861), (137, 2045037), (191, 1466859), (249, 1125181), (411, 681679), (573, 488953), (3569, 78501), (5891, 47559), (8213, 34113), (10707, 26167), (11371, 24639), (15853, 17673)]