40029717

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20947}}^1$

素因数の和:20977

約数の個数: 24

約数和(自身を含む): 66866016

約数和(自身を除く): 26836299

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 20947, 62841, 146629, 272311, 439887, 816933, 1026403, 1906177, 3079209, 5718531, 13343239, 40029717]

約数ペア:

[(1, 40029717), (3, 13343239), (7, 5718531), (13, 3079209), (21, 1906177), (39, 1026403), (49, 816933), (91, 439887), (147, 272311), (273, 146629), (637, 62841), (1911, 20947)]