81584802

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20509}}^1$

素因数の和:20547

約数の個数: 48

約数和(自身を含む): 201572280

約数和(自身を除く): 119987478

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 20509, 41018, 61527, 123054, 184581, 266617, 348653, 369162, 533234, 697306, 799851, 1045959, 1599702, 2091918, 2399553, 3137877, 4532489, 4799106, 6275754, 9064978, 13597467, 27194934, 40792401, 81584802]

約数ペア:

[(1, 81584802), (2, 40792401), (3, 27194934), (6, 13597467), (9, 9064978), (13, 6275754), (17, 4799106), (18, 4532489), (26, 3137877), (34, 2399553), (39, 2091918), (51, 1599702), (78, 1045959), (102, 799851), (117, 697306), (153, 533234), (221, 369162), (234, 348653), (306, 266617), (442, 184581), (663, 123054), (1326, 61527), (1989, 41018), (3978, 20509)]