28508103

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{18743}}^1$

素因数の和:18775

約数の個数: 18

約数和(自身を含む): 44591976

約数和(自身を除く): 16083873

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 18743, 56229, 168687, 243659, 730977, 2192931, 3167567, 9502701, 28508103]

約数ペア:

[(1, 28508103), (3, 9502701), (9, 3167567), (13, 2192931), (39, 730977), (117, 243659), (169, 168687), (507, 56229), (1521, 18743)]