1271844171

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{639439}}^1$

素因数の和:639475

約数の個数: 24

約数和(自身を含む): 2094805440

約数和(自身を除く): 822961269

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 639439, 1918317, 5754951, 8312707, 10870463, 24938121, 32611389, 74814363, 97834167, 141316019, 423948057, 1271844171]

約数ペア:

[(1, 1271844171), (3, 423948057), (9, 141316019), (13, 97834167), (17, 74814363), (39, 32611389), (51, 24938121), (117, 10870463), (153, 8312707), (221, 5754951), (663, 1918317), (1989, 639439)]