15883791

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 29111040

約数和(自身を除く): 13227249

約数列:

[1, 3, 7, 11, 19, 21, 33, 47, 49, 57, 77, 121, 133, 141, 147, 209, 231, 329, 363, 399, 517, 539, 627, 847, 893, 931, 987, 1463, 1551, 1617, 2299, 2303, 2541, 2679, 2793, 3619, 4389, 5687, 5929, 6251, 6897, 6909, 9823, 10241, 10857, 16093, 17061, 17787, 18753, 25333, 29469, 30723, 39809, 43757, 48279, 68761, 75999, 108053, 112651, 119427, 131271, 206283, 278663, 324159, 337953, 481327, 756371, 835989, 1443981, 2269113, 5294597, 15883791]

約数ペア:

[(1, 15883791), (3, 5294597), (7, 2269113), (11, 1443981), (19, 835989), (21, 756371), (33, 481327), (47, 337953), (49, 324159), (57, 278663), (77, 206283), (121, 131271), (133, 119427), (141, 112651), (147, 108053), (209, 75999), (231, 68761), (329, 48279), (363, 43757), (399, 39809), (517, 30723), (539, 29469), (627, 25333), (847, 18753), (893, 17787), (931, 17061), (987, 16093), (1463, 10857), (1551, 10241), (1617, 9823), (2299, 6909), (2303, 6897), (2541, 6251), (2679, 5929), (2793, 5687), (3619, 4389)]