289433205

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{207479}}^1$

素因数の和:207521

約数の個数: 24

約数和(自身を含む): 517870080

約数和(自身を除く): 228436875

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 207479, 622437, 1037395, 1867311, 3112185, 6431849, 9336555, 19295547, 32159245, 57886641, 96477735, 289433205]

約数ペア:

[(1, 289433205), (3, 96477735), (5, 57886641), (9, 32159245), (15, 19295547), (31, 9336555), (45, 6431849), (93, 3112185), (155, 1867311), (279, 1037395), (465, 622437), (1395, 207479)]