40539891

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{28813}}^1$

素因数の和:28890

約数の個数: 16

約数和(自身を含む): 62699264

約数和(自身を除く): 22159373

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 28813, 86439, 201691, 605073, 1930471, 5791413, 13513297, 40539891]

約数ペア:

[(1, 40539891), (3, 13513297), (7, 5791413), (21, 1930471), (67, 605073), (201, 201691), (469, 86439), (1407, 28813)]