40409721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5749}}^1$

素因数の和:5837

約数の個数: 24

約数和(自身を含む): 64584000

約数和(自身を除く): 24174279

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 5749, 7029, 17247, 51741, 63239, 189717, 408179, 569151, 1224537, 3673611, 4489969, 13469907, 40409721]

約数ペア:

[(1, 40409721), (3, 13469907), (9, 4489969), (11, 3673611), (33, 1224537), (71, 569151), (99, 408179), (213, 189717), (639, 63239), (781, 51741), (2343, 17247), (5749, 7029)]