25431795

素因数分解:

$3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1997}}^1$

素因数の和:2291

約数の個数: 24

約数和(自身を含む): 44259696

約数和(自身を除く): 18827901

約数列:

[1, 3, 5, 9, 15, 45, 283, 849, 1415, 1997, 2547, 4245, 5991, 9985, 12735, 17973, 29955, 89865, 565151, 1695453, 2825755, 5086359, 8477265, 25431795]

約数ペア:

[(1, 25431795), (3, 8477265), (5, 5086359), (9, 2825755), (15, 1695453), (45, 565151), (283, 89865), (849, 29955), (1415, 17973), (1997, 12735), (2547, 9985), (4245, 5991)]