15868791

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{479}}^1$

素因数の和:900

約数の個数: 20

約数和(自身を含む): 23812800

約数和(自身を除く): 7944009

約数列:

[1, 3, 9, 27, 81, 409, 479, 1227, 1437, 3681, 4311, 11043, 12933, 33129, 38799, 195911, 587733, 1763199, 5289597, 15868791]

約数ペア:

[(1, 15868791), (3, 5289597), (9, 1763199), (27, 587733), (81, 195911), (409, 38799), (479, 33129), (1227, 12933), (1437, 11043), (3681, 4311)]