905823

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 20

約数和(自身を含む): 1385208

約数和(自身を除く): 479385

約数列:

[1, 3, 9, 27, 53, 81, 159, 211, 477, 633, 1431, 1899, 4293, 5697, 11183, 17091, 33549, 100647, 301941, 905823]

約数ペア:

[(1, 905823), (3, 301941), (9, 100647), (27, 33549), (53, 17091), (81, 11183), (159, 5697), (211, 4293), (477, 1899), (633, 1431)]