1291238013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1\times {\mathrm{1663}}^1$

素因数の和:2185

約数の個数: 32

約数和(自身を含む): 1902444544

約数和(自身を除く): 611206531

約数列:

[1, 3, 13, 39, 43, 129, 463, 559, 1389, 1663, 1677, 4989, 6019, 18057, 19909, 21619, 59727, 64857, 71509, 214527, 258817, 769969, 776451, 929617, 2309907, 2788851, 10009597, 30028791, 33108667, 99326001, 430412671, 1291238013]

約数ペア:

[(1, 1291238013), (3, 430412671), (13, 99326001), (39, 33108667), (43, 30028791), (129, 10009597), (463, 2788851), (559, 2309907), (1389, 929617), (1663, 776451), (1677, 769969), (4989, 258817), (6019, 214527), (18057, 71509), (19909, 64857), (21619, 59727)]