47639319

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 80706528

約数和(自身を除く): 33067209

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 97, 147, 257, 273, 291, 637, 679, 771, 1261, 1799, 1911, 2037, 3341, 3783, 4753, 5397, 8827, 10023, 12593, 14259, 23387, 24929, 26481, 37779, 61789, 70161, 74787, 163709, 174503, 185367, 324077, 491127, 523509, 972231, 1221521, 2268539, 3664563, 6805617, 15879773, 47639319]

約数ペア:

[(1, 47639319), (3, 15879773), (7, 6805617), (13, 3664563), (21, 2268539), (39, 1221521), (49, 972231), (91, 523509), (97, 491127), (147, 324077), (257, 185367), (273, 174503), (291, 163709), (637, 74787), (679, 70161), (771, 61789), (1261, 37779), (1799, 26481), (1911, 24929), (2037, 23387), (3341, 14259), (3783, 12593), (4753, 10023), (5397, 8827)]