28005999

素因数分解:

$3^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{601}}^1$

素因数の和:935

約数の個数: 24

約数和(自身を含む): 43647408

約数和(自身を除く): 15641409

約数列:

[1, 3, 7, 21, 49, 147, 317, 601, 951, 1803, 2219, 4207, 6657, 12621, 15533, 29449, 46599, 88347, 190517, 571551, 1333619, 4000857, 9335333, 28005999]

約数ペア:

[(1, 28005999), (3, 9335333), (7, 4000857), (21, 1333619), (49, 571551), (147, 190517), (317, 88347), (601, 46599), (951, 29449), (1803, 15533), (2219, 12621), (4207, 6657)]