80812719

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{36353}}^1$

素因数の和:36391

約数の個数: 24

約数和(自身を含む): 132328560

約数和(自身を除く): 51515841

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 36353, 109059, 327177, 472589, 690707, 1417767, 2072121, 4253301, 6216363, 8979191, 26937573, 80812719]

約数ペア:

[(1, 80812719), (3, 26937573), (9, 8979191), (13, 6216363), (19, 4253301), (39, 2072121), (57, 1417767), (117, 690707), (171, 472589), (247, 327177), (741, 109059), (2223, 36353)]