28024521

素因数分解:

$3^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{613}}^1$

素因数の和:941

約数の個数: 24

約数和(自身を含む): 43677504

約数和(自身を除く): 15652983

約数列:

[1, 3, 7, 21, 49, 147, 311, 613, 933, 1839, 2177, 4291, 6531, 12873, 15239, 30037, 45717, 90111, 190643, 571929, 1334501, 4003503, 9341507, 28024521]

約数ペア:

[(1, 28024521), (3, 9341507), (7, 4003503), (21, 1334501), (49, 571929), (147, 190643), (311, 90111), (613, 45717), (933, 30037), (1839, 15239), (2177, 12873), (4291, 6531)]