28067180427

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{557}}^1$

素因数の和:1042

約数の個数: 128

約数和(自身を含む): 50636759040

約数和(自身を除く): 22569578613

約数列:

[1, 3, 9, 11, 13, 27, 31, 33, 39, 93, 99, 117, 143, 279, 297, 341, 351, 403, 421, 429, 557, 837, 1023, 1209, 1263, 1287, 1671, 3069, 3627, 3789, 3861, 4433, 4631, 5013, 5473, 6127, 7241, 9207, 10881, 11367, 13051, 13299, 13893, 15039, 16419, 17267, 18381, 21723, 39153, 39897, 41679, 49257, 51801, 55143, 60203, 65169, 79651, 117459, 119691, 125037, 143561, 147771, 155403, 165429, 169663, 180609, 189937, 195507, 224471, 234497, 238953, 352377, 430683, 466209, 508989, 541827, 569811, 673413, 703491, 716859, 1292049, 1526967, 1625481, 1709433, 1866293, 2020239, 2110473, 2150577, 2469181, 2579467, 3048461, 3876147, 4580901, 5128299, 5598879, 6060717, 6331419, 7269407, 7407543, 7738401, 9145383, 16796637, 21808221, 22222629, 23215203, 27436149, 33533071, 50389911, 65424663, 66667887, 69645609, 79963477, 82308447, 94502291, 100599213, 196273989, 239890431, 283506873, 301797639, 719671293, 850520619, 905392917, 1039525201, 2159013879, 2551561857, 3118575603, 9355726809, 28067180427]

約数ペア:

[(1, 28067180427), (3, 9355726809), (9, 3118575603), (11, 2551561857), (13, 2159013879), (27, 1039525201), (31, 905392917), (33, 850520619), (39, 719671293), (93, 301797639), (99, 283506873), (117, 239890431), (143, 196273989), (279, 100599213), (297, 94502291), (341, 82308447), (351, 79963477), (403, 69645609), (421, 66667887), (429, 65424663), (557, 50389911), (837, 33533071), (1023, 27436149), (1209, 23215203), (1263, 22222629), (1287, 21808221), (1671, 16796637), (3069, 9145383), (3627, 7738401), (3789, 7407543), (3861, 7269407), (4433, 6331419), (4631, 6060717), (5013, 5598879), (5473, 5128299), (6127, 4580901), (7241, 3876147), (9207, 3048461), (10881, 2579467), (11367, 2469181), (13051, 2150577), (13299, 2110473), (13893, 2020239), (15039, 1866293), (16419, 1709433), (17267, 1625481), (18381, 1526967), (21723, 1292049), (39153, 716859), (39897, 703491), (41679, 673413), (49257, 569811), (51801, 541827), (55143, 508989), (60203, 466209), (65169, 430683), (79651, 352377), (117459, 238953), (119691, 234497), (125037, 224471), (143561, 195507), (147771, 189937), (155403, 180609), (165429, 169663)]