201050721

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{677}}^1$

素因数の和:1350

約数の個数: 32

約数和(自身を含む): 316327680

約数和(自身を除く): 115276959

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 647, 677, 1941, 2031, 5823, 6093, 10999, 11509, 17469, 18279, 32997, 34527, 98991, 103581, 296973, 310743, 438019, 1314057, 3942171, 7446323, 11826513, 22338969, 67016907, 201050721]

約数ペア:

[(1, 201050721), (3, 67016907), (9, 22338969), (17, 11826513), (27, 7446323), (51, 3942171), (153, 1314057), (459, 438019), (647, 310743), (677, 296973), (1941, 103581), (2031, 98991), (5823, 34527), (6093, 32997), (10999, 18279), (11509, 17469)]