4020795

素因数分解:

$3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 7020000

約数和(自身を除く): 2999205

約数列:

[1, 3, 5, 9, 15, 45, 199, 449, 597, 995, 1347, 1791, 2245, 2985, 4041, 6735, 8955, 20205, 89351, 268053, 446755, 804159, 1340265, 4020795]

約数ペア:

[(1, 4020795), (3, 1340265), (5, 804159), (9, 446755), (15, 268053), (45, 89351), (199, 20205), (449, 8955), (597, 6735), (995, 4041), (1347, 2985), (1791, 2245)]