28016541

素因数分解:

$3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1013}}^1$

素因数の和:1465

約数の個数: 24

約数和(自身を含む): 46400640

約数和(自身を除く): 18384099

約数列:

[1, 3, 7, 9, 21, 63, 439, 1013, 1317, 3039, 3073, 3951, 7091, 9117, 9219, 21273, 27657, 63819, 444707, 1334121, 3112949, 4002363, 9338847, 28016541]

約数ペア:

[(1, 28016541), (3, 9338847), (7, 4002363), (9, 3112949), (21, 1334121), (63, 444707), (439, 63819), (1013, 27657), (1317, 21273), (3039, 9219), (3073, 9117), (3951, 7091)]