1388406447

素因数分解:

$3^3\times {\mathrm{8161}}^1\times {\mathrm{6301}}^1$

素因数の和:14471

約数の個数: 16

約数和(自身を含む): 2057476960

約数和(自身を除く): 669070513

約数列:

[1, 3, 9, 27, 6301, 8161, 18903, 24483, 56709, 73449, 170127, 220347, 51422461, 154267383, 462802149, 1388406447]

約数ペア:

[(1, 1388406447), (3, 462802149), (9, 154267383), (27, 51422461), (6301, 220347), (8161, 170127), (18903, 73449), (24483, 56709)]