86778279

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{12637}}^1$

素因数の和:12759

約数の個数: 24

約数和(自身を含む): 144578720

約数和(自身を除く): 57800441

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 12637, 37911, 88459, 113733, 265377, 796131, 1377433, 4132299, 9642031, 12396897, 28926093, 86778279]

約数ペア:

[(1, 86778279), (3, 28926093), (7, 12396897), (9, 9642031), (21, 4132299), (63, 1377433), (109, 796131), (327, 265377), (763, 113733), (981, 88459), (2289, 37911), (6867, 12637)]