7947261

素因数分解:

$3^3\times 7^2\times {\mathrm{6007}}^1$

素因数の和:6030

約数の個数: 24

約数和(自身を含む): 13698240

約数和(自身を除く): 5750979

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 6007, 18021, 42049, 54063, 126147, 162189, 294343, 378441, 883029, 1135323, 2649087, 7947261]

約数ペア:

[(1, 7947261), (3, 2649087), (7, 1135323), (9, 883029), (21, 378441), (27, 294343), (49, 162189), (63, 126147), (147, 54063), (189, 42049), (441, 18021), (1323, 6007)]