30931593

素因数分解:

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

素因数の和:123

約数の個数: 72

約数和(自身を含む): 55310976

約数和(自身を除く): 24379383

約数列:

[1, 3, 7, 11, 21, 33, 37, 47, 49, 77, 111, 121, 141, 147, 231, 259, 329, 363, 407, 517, 539, 777, 847, 987, 1221, 1551, 1617, 1739, 1813, 2303, 2541, 2849, 3619, 4477, 5217, 5439, 5687, 5929, 6909, 8547, 10857, 12173, 13431, 17061, 17787, 19129, 19943, 25333, 31339, 36519, 39809, 57387, 59829, 75999, 85211, 94017, 119427, 133903, 210419, 219373, 255633, 278663, 401709, 631257, 658119, 835989, 937321, 1472933, 2811963, 4418799, 10310531, 30931593]

約数ペア:

[(1, 30931593), (3, 10310531), (7, 4418799), (11, 2811963), (21, 1472933), (33, 937321), (37, 835989), (47, 658119), (49, 631257), (77, 401709), (111, 278663), (121, 255633), (141, 219373), (147, 210419), (231, 133903), (259, 119427), (329, 94017), (363, 85211), (407, 75999), (517, 59829), (539, 57387), (777, 39809), (847, 36519), (987, 31339), (1221, 25333), (1551, 19943), (1617, 19129), (1739, 17787), (1813, 17061), (2303, 13431), (2541, 12173), (2849, 10857), (3619, 8547), (4477, 6909), (5217, 5929), (5439, 5687)]