31033821

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 55623680

約数和(自身を除く): 24589859

約数列:

[1, 3, 7, 13, 19, 21, 31, 39, 57, 91, 93, 133, 193, 217, 247, 273, 399, 403, 579, 589, 651, 741, 1209, 1351, 1729, 1767, 2509, 2821, 3667, 4053, 4123, 5187, 5983, 7527, 7657, 8463, 11001, 12369, 17563, 17949, 22971, 25669, 41881, 47671, 52689, 53599, 77007, 77779, 113677, 125643, 143013, 160797, 233337, 333697, 341031, 544453, 795739, 1001091, 1477801, 1633359, 2387217, 4433403, 10344607, 31033821]

約数ペア:

[(1, 31033821), (3, 10344607), (7, 4433403), (13, 2387217), (19, 1633359), (21, 1477801), (31, 1001091), (39, 795739), (57, 544453), (91, 341031), (93, 333697), (133, 233337), (193, 160797), (217, 143013), (247, 125643), (273, 113677), (399, 77779), (403, 77007), (579, 53599), (589, 52689), (651, 47671), (741, 41881), (1209, 25669), (1351, 22971), (1729, 17949), (1767, 17563), (2509, 12369), (2821, 11001), (3667, 8463), (4053, 7657), (4123, 7527), (5187, 5983)]