28011309

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{1297}}^1$

素因数の和:1636

約数の個数: 16

約数和(自身を含む): 39126912

約数和(自身を除く): 11115603

約数列:

[1, 3, 23, 69, 313, 939, 1297, 3891, 7199, 21597, 29831, 89493, 405961, 1217883, 9337103, 28011309]

約数ペア:

[(1, 28011309), (3, 9337103), (23, 1217883), (69, 405961), (313, 89493), (939, 29831), (1297, 21597), (3891, 7199)]