28976985

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8821}}^1$

素因数の和:8905

約数の個数: 24

約数和(自身を含む): 50920584

約数和(自身を除く): 21943599

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 8821, 26463, 44105, 79389, 132315, 396945, 643933, 1931799, 3219665, 5795397, 9658995, 28976985]

約数ペア:

[(1, 28976985), (3, 9658995), (5, 5795397), (9, 3219665), (15, 1931799), (45, 643933), (73, 396945), (219, 132315), (365, 79389), (657, 44105), (1095, 26463), (3285, 8821)]