28019103

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{9739}}^1$

素因数の和:9886

約数の個数: 16

約数和(自身を含む): 43011840

約数和(自身を除く): 14992737

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 9739, 29217, 68173, 204519, 1334243, 4002729, 9339701, 28019103]

約数ペア:

[(1, 28019103), (3, 9339701), (7, 4002729), (21, 1334243), (137, 204519), (411, 68173), (959, 29217), (2877, 9739)]