51284223

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4721}}^1$

素因数の和:4815

約数の個数: 24

約数和(自身を含む): 79556256

約数和(自身を除く): 28272033

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 3621, 4721, 10863, 14163, 42489, 80257, 240771, 335191, 722313, 1005573, 3016719, 5698247, 17094741, 51284223]

約数ペア:

[(1, 51284223), (3, 17094741), (9, 5698247), (17, 3016719), (51, 1005573), (71, 722313), (153, 335191), (213, 240771), (639, 80257), (1207, 42489), (3621, 14163), (4721, 10863)]