280207863

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{751}}^1\times {\mathrm{1063}}^1$

素因数の和:1836

約数の個数: 32

約数和(自身を含む): 448071680

約数和(自身を除く): 167863817

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 751, 1063, 2253, 3189, 6759, 9567, 9763, 13819, 20277, 28701, 29289, 41457, 87867, 124371, 263601, 373113, 798313, 2394939, 7184817, 10378069, 21554451, 31134207, 93402621, 280207863]

約数ペア:

[(1, 280207863), (3, 93402621), (9, 31134207), (13, 21554451), (27, 10378069), (39, 7184817), (117, 2394939), (351, 798313), (751, 373113), (1063, 263601), (2253, 124371), (3189, 87867), (6759, 41457), (9567, 29289), (9763, 28701), (13819, 20277)]