40539681

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49499}}^1$

素因数の和:49525

約数の個数: 24

約数和(自身を含む): 72072000

約数和(自身を除く): 31532319

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 49499, 148497, 346493, 445491, 643487, 1039479, 1930461, 3118437, 4504409, 5791383, 13513227, 40539681]

約数ペア:

[(1, 40539681), (3, 13513227), (7, 5791383), (9, 4504409), (13, 3118437), (21, 1930461), (39, 1039479), (63, 643487), (91, 445491), (117, 346493), (273, 148497), (819, 49499)]