28640703

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{104911}}^1$

素因数の和:104934

約数の個数: 16

約数和(自身を含む): 47000576

約数和(自身を除く): 18359873

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 104911, 314733, 734377, 1363843, 2203131, 4091529, 9546901, 28640703]

約数ペア:

[(1, 28640703), (3, 9546901), (7, 4091529), (13, 2203131), (21, 1363843), (39, 734377), (91, 314733), (273, 104911)]