208079247

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{2179}}^1$

素因数の和:2550

約数の個数: 16

約数和(自身を含む): 280784000

約数和(自身を除く): 72704753

約数列:

[1, 3, 139, 229, 417, 687, 2179, 6537, 31831, 95493, 302881, 498991, 908643, 1496973, 69359749, 208079247]

約数ペア:

[(1, 208079247), (3, 69359749), (139, 1496973), (229, 908643), (417, 498991), (687, 302881), (2179, 95493), (6537, 31831)]