40386717

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9029}}^1$

素因数の和:9113

約数の個数: 24

約数和(自身を含む): 67616640

約数和(自身を除く): 27229923

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 9029, 27087, 63203, 81261, 189609, 568827, 641059, 1923177, 4487413, 5769531, 13462239, 40386717]

約数ペア:

[(1, 40386717), (3, 13462239), (7, 5769531), (9, 4487413), (21, 1923177), (63, 641059), (71, 568827), (213, 189609), (497, 81261), (639, 63203), (1491, 27087), (4473, 9029)]