720121023

素因数分解:

$3^5\times {\mathrm{149}}^1\times {\mathrm{19889}}^1$

素因数の和:20053

約数の個数: 24

約数和(自身を含む): 1085994000

約数和(自身を除く): 365872977

約数列:

[1, 3, 9, 27, 81, 149, 243, 447, 1341, 4023, 12069, 19889, 36207, 59667, 179001, 537003, 1611009, 2963461, 4833027, 8890383, 26671149, 80013447, 240040341, 720121023]

約数ペア:

[(1, 720121023), (3, 240040341), (9, 80013447), (27, 26671149), (81, 8890383), (149, 4833027), (243, 2963461), (447, 1611009), (1341, 537003), (4023, 179001), (12069, 59667), (19889, 36207)]