3903972009

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{264443}}^1$

素因数の和:264509

約数の個数: 32

約数和(自身を含む): 6431278080

約数和(自身を除く): 2527306071

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 4921, 14763, 264443, 793329, 1851101, 5024417, 5553303, 9784391, 15073251, 29353173, 35170919, 68490737, 105512757, 185903429, 205472211, 557710287, 1301324003, 3903972009]

約数ペア:

[(1, 3903972009), (3, 1301324003), (7, 557710287), (19, 205472211), (21, 185903429), (37, 105512757), (57, 68490737), (111, 35170919), (133, 29353173), (259, 15073251), (399, 9784391), (703, 5553303), (777, 5024417), (2109, 1851101), (4921, 793329), (14763, 264443)]