80891847

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{823}}^1$

素因数の和:1059

約数の個数: 24

約数和(自身を含む): 119460224

約数和(自身を除く): 38568377

約数列:

[1, 3, 9, 67, 163, 201, 489, 603, 823, 1467, 2469, 7407, 10921, 32763, 55141, 98289, 134149, 165423, 402447, 496269, 1207341, 8987983, 26963949, 80891847]

約数ペア:

[(1, 80891847), (3, 26963949), (9, 8987983), (67, 1207341), (163, 496269), (201, 402447), (489, 165423), (603, 134149), (823, 98289), (1467, 55141), (2469, 32763), (7407, 10921)]