27988965

素因数分解:

$3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1361}}^1$

素因数の和:1829

約数の個数: 24

約数和(自身を含む): 48656088

約数和(自身を除く): 20667123

約数列:

[1, 3, 5, 9, 15, 45, 457, 1361, 1371, 2285, 4083, 4113, 6805, 6855, 12249, 20415, 20565, 61245, 621977, 1865931, 3109885, 5597793, 9329655, 27988965]

約数ペア:

[(1, 27988965), (3, 9329655), (5, 5597793), (9, 3109885), (15, 1865931), (45, 621977), (457, 61245), (1361, 20565), (1371, 20415), (2285, 12249), (4083, 6855), (4113, 6805)]