538201923

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 901401600

約数和(自身を除く): 363199677

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 193, 203, 241, 399, 551, 579, 609, 723, 1351, 1653, 1687, 3667, 3857, 4053, 4579, 5061, 5597, 6989, 11001, 11571, 13737, 16791, 20967, 25669, 32053, 39179, 46513, 48923, 77007, 96159, 106343, 117537, 132791, 139539, 146769, 319029, 325591, 398373, 744401, 883747, 929537, 976773, 1348877, 2233203, 2651241, 2788611, 4046631, 6186229, 9442139, 18558687, 25628663, 28326417, 76885989, 179400641, 538201923]

約数ペア:

[(1, 538201923), (3, 179400641), (7, 76885989), (19, 28326417), (21, 25628663), (29, 18558687), (57, 9442139), (87, 6186229), (133, 4046631), (193, 2788611), (203, 2651241), (241, 2233203), (399, 1348877), (551, 976773), (579, 929537), (609, 883747), (723, 744401), (1351, 398373), (1653, 325591), (1687, 319029), (3667, 146769), (3857, 139539), (4053, 132791), (4579, 117537), (5061, 106343), (5597, 96159), (6989, 77007), (11001, 48923), (11571, 46513), (13737, 39179), (16791, 32053), (20967, 25669)]