3249025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{769}}^1$

素因数の和:805

約数の個数: 18

約数和(自身を含む): 4368210

約数和(自身を除く): 1119185

約数列:

[1, 5, 13, 25, 65, 169, 325, 769, 845, 3845, 4225, 9997, 19225, 49985, 129961, 249925, 649805, 3249025]

約数ペア:

[(1, 3249025), (5, 649805), (13, 249925), (25, 129961), (65, 49985), (169, 19225), (325, 9997), (769, 4225), (845, 3845)]