71830431

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{11353}}^1$

素因数の和:11415

約数の個数: 24

約数和(自身を含む): 112177520

約数和(自身を除く): 40347089

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 6327, 11353, 34059, 102177, 215707, 420061, 647121, 1260183, 1941363, 3780549, 7981159, 23943477, 71830431]

約数ペア:

[(1, 71830431), (3, 23943477), (9, 7981159), (19, 3780549), (37, 1941363), (57, 1260183), (111, 647121), (171, 420061), (333, 215707), (703, 102177), (2109, 34059), (6327, 11353)]