726491187

素因数分解:

$3^4\times {\mathrm{2099}}^1\times {\mathrm{4273}}^1$

素因数の和:6384

約数の個数: 20

約数和(自身を含む): 1086023400

約数和(自身を除く): 359532213

約数列:

[1, 3, 9, 27, 81, 2099, 4273, 6297, 12819, 18891, 38457, 56673, 115371, 170019, 346113, 8969027, 26907081, 80721243, 242163729, 726491187]

約数ペア:

[(1, 726491187), (3, 242163729), (9, 80721243), (27, 26907081), (81, 8969027), (2099, 346113), (4273, 170019), (6297, 115371), (12819, 56673), (18891, 38457)]