247547115

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{323591}}^1$

素因数の和:323619

約数の個数: 24

約数和(自身を含む): 454323168

約数和(自身を除く): 206776053

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 323591, 970773, 1617955, 2912319, 4853865, 5501047, 14561595, 16503141, 27505235, 49509423, 82515705, 247547115]

約数ペア:

[(1, 247547115), (3, 82515705), (5, 49509423), (9, 27505235), (15, 16503141), (17, 14561595), (45, 5501047), (51, 4853865), (85, 2912319), (153, 1617955), (255, 970773), (765, 323591)]