26939367

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 50459136

約数和(自身を除く): 23519769

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 49, 63, 91, 111, 117, 127, 147, 259, 273, 333, 381, 441, 481, 637, 777, 819, 889, 1143, 1443, 1651, 1813, 1911, 2331, 2667, 3367, 4329, 4699, 4953, 5439, 5733, 6223, 8001, 10101, 11557, 14097, 14859, 16317, 18669, 23569, 30303, 32893, 34671, 42291, 56007, 61087, 70707, 80899, 98679, 104013, 183261, 212121, 230251, 242697, 296037, 427609, 549783, 690753, 728091, 1282827, 2072259, 2993263, 3848481, 8979789, 26939367]

約数ペア:

[(1, 26939367), (3, 8979789), (7, 3848481), (9, 2993263), (13, 2072259), (21, 1282827), (37, 728091), (39, 690753), (49, 549783), (63, 427609), (91, 296037), (111, 242697), (117, 230251), (127, 212121), (147, 183261), (259, 104013), (273, 98679), (333, 80899), (381, 70707), (441, 61087), (481, 56007), (637, 42291), (777, 34671), (819, 32893), (889, 30303), (1143, 23569), (1443, 18669), (1651, 16317), (1813, 14859), (1911, 14097), (2331, 11557), (2667, 10101), (3367, 8001), (4329, 6223), (4699, 5733), (4953, 5439)]