28355985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{90019}}^1$

素因数の和:90037

約数の個数: 24

約数和(自身を含む): 56172480

約数和(自身を除く): 27816495

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 90019, 270057, 450095, 630133, 810171, 1350285, 1890399, 3150665, 4050855, 5671197, 9451995, 28355985]

約数ペア:

[(1, 28355985), (3, 9451995), (5, 5671197), (7, 4050855), (9, 3150665), (15, 1890399), (21, 1350285), (35, 810171), (45, 630133), (63, 450095), (105, 270057), (315, 90019)]