28038915

素因数分解:

$3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1439}}^1$

素因数の和:1883

約数の個数: 24

約数和(自身を含む): 48746880

約数和(自身を除く): 20707965

約数列:

[1, 3, 5, 9, 15, 45, 433, 1299, 1439, 2165, 3897, 4317, 6495, 7195, 12951, 19485, 21585, 64755, 623087, 1869261, 3115435, 5607783, 9346305, 28038915]

約数ペア:

[(1, 28038915), (3, 9346305), (5, 5607783), (9, 3115435), (15, 1869261), (45, 623087), (433, 64755), (1299, 21585), (1439, 19485), (2165, 12951), (3897, 7195), (4317, 6495)]