40339887

素因数分解:

$3^1\times 7^3\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 63360000

約数和(自身を除く): 23020113

約数列:

[1, 3, 7, 21, 49, 147, 197, 199, 343, 591, 597, 1029, 1379, 1393, 4137, 4179, 9653, 9751, 28959, 29253, 39203, 67571, 68257, 117609, 202713, 204771, 274421, 823263, 1920947, 5762841, 13446629, 40339887]

約数ペア:

[(1, 40339887), (3, 13446629), (7, 5762841), (21, 1920947), (49, 823263), (147, 274421), (197, 204771), (199, 202713), (343, 117609), (591, 68257), (597, 67571), (1029, 39203), (1379, 29253), (1393, 28959), (4137, 9751), (4179, 9653)]