31898853

素因数分解:

$3^6\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:98

約数の個数: 84

約数和(自身を含む): 59808960

約数和(自身を除く): 27910107

約数列:

[1, 3, 7, 9, 19, 21, 27, 47, 49, 57, 63, 81, 133, 141, 147, 171, 189, 243, 329, 399, 423, 441, 513, 567, 729, 893, 931, 987, 1197, 1269, 1323, 1539, 1701, 2303, 2679, 2793, 2961, 3591, 3807, 3969, 4617, 5103, 6251, 6909, 8037, 8379, 8883, 10773, 11421, 11907, 13851, 18753, 20727, 24111, 25137, 26649, 32319, 34263, 35721, 43757, 56259, 62181, 72333, 75411, 79947, 96957, 131271, 168777, 186543, 216999, 226233, 239841, 393813, 506331, 559629, 650997, 678699, 1181439, 1518993, 1678887, 3544317, 4556979, 10632951, 31898853]

約数ペア:

[(1, 31898853), (3, 10632951), (7, 4556979), (9, 3544317), (19, 1678887), (21, 1518993), (27, 1181439), (47, 678699), (49, 650997), (57, 559629), (63, 506331), (81, 393813), (133, 239841), (141, 226233), (147, 216999), (171, 186543), (189, 168777), (243, 131271), (329, 96957), (399, 79947), (423, 75411), (441, 72333), (513, 62181), (567, 56259), (729, 43757), (893, 35721), (931, 34263), (987, 32319), (1197, 26649), (1269, 25137), (1323, 24111), (1539, 20727), (1701, 18753), (2303, 13851), (2679, 11907), (2793, 11421), (2961, 10773), (3591, 8883), (3807, 8379), (3969, 8037), (4617, 6909), (5103, 6251)]