28206735

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5209}}^1$

素因数の和:5255

約数の個数: 24

約数和(自身を含む): 47640240

約数和(自身を除く): 19433505

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 5209, 5415, 15627, 26045, 78135, 98971, 296913, 494855, 1484565, 1880449, 5641347, 9402245, 28206735]

約数ペア:

[(1, 28206735), (3, 9402245), (5, 5641347), (15, 1880449), (19, 1484565), (57, 494855), (95, 296913), (285, 98971), (361, 78135), (1083, 26045), (1805, 15627), (5209, 5415)]