28310919

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103703}}^1$

素因数の和:103726

約数の個数: 16

約数和(自身を含む): 46459392

約数和(自身を除く): 18148473

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 103703, 311109, 725921, 1348139, 2177763, 4044417, 9436973, 28310919]

約数ペア:

[(1, 28310919), (3, 9436973), (7, 4044417), (13, 2177763), (21, 1348139), (39, 725921), (91, 311109), (273, 103703)]