8500005

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{797}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 15321600

約数和(自身を除く): 6821595

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 395, 711, 797, 1185, 2133, 2391, 3555, 3985, 7173, 10665, 11955, 21519, 35865, 62963, 107595, 188889, 314815, 566667, 944445, 1700001, 2833335, 8500005]

約数ペア:

[(1, 8500005), (3, 2833335), (5, 1700001), (9, 944445), (15, 566667), (27, 314815), (45, 188889), (79, 107595), (135, 62963), (237, 35865), (395, 21519), (711, 11955), (797, 10665), (1185, 7173), (2133, 3985), (2391, 3555)]