626433

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:264

約数の個数: 16

約数和(自身を含む): 902016

約数和(自身を除く): 275583

約数列:

[1, 3, 17, 51, 71, 173, 213, 519, 1207, 2941, 3621, 8823, 12283, 36849, 208811, 626433]

約数ペア:

[(1, 626433), (3, 208811), (17, 36849), (51, 12283), (71, 8823), (173, 3621), (213, 2941), (519, 1207)]