81546927

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 149713920

約数和(自身を除く): 68166993

約数列:

[1, 3, 7, 11, 21, 29, 33, 37, 47, 49, 77, 87, 111, 141, 147, 203, 231, 259, 319, 329, 407, 517, 539, 609, 777, 957, 987, 1073, 1221, 1363, 1421, 1551, 1617, 1739, 1813, 2233, 2303, 2849, 3219, 3619, 4089, 4263, 5217, 5439, 6699, 6909, 7511, 8547, 9541, 10857, 11803, 12173, 14993, 15631, 19129, 19943, 22533, 25333, 28623, 35409, 36519, 44979, 46893, 50431, 52577, 57387, 59829, 66787, 75999, 82621, 85211, 104951, 133903, 151293, 157731, 200361, 247863, 255633, 314853, 353017, 401709, 554741, 578347, 734657, 937321, 1059051, 1664223, 1735041, 2203971, 2471119, 2811963, 3883187, 7413357, 11649561, 27182309, 81546927]

約数ペア:

[(1, 81546927), (3, 27182309), (7, 11649561), (11, 7413357), (21, 3883187), (29, 2811963), (33, 2471119), (37, 2203971), (47, 1735041), (49, 1664223), (77, 1059051), (87, 937321), (111, 734657), (141, 578347), (147, 554741), (203, 401709), (231, 353017), (259, 314853), (319, 255633), (329, 247863), (407, 200361), (517, 157731), (539, 151293), (609, 133903), (777, 104951), (957, 85211), (987, 82621), (1073, 75999), (1221, 66787), (1363, 59829), (1421, 57387), (1551, 52577), (1617, 50431), (1739, 46893), (1813, 44979), (2233, 36519), (2303, 35409), (2849, 28623), (3219, 25333), (3619, 22533), (4089, 19943), (4263, 19129), (5217, 15631), (5439, 14993), (6699, 12173), (6909, 11803), (7511, 10857), (8547, 9541)]