71731737

素因数分解:

$3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 120

約数和(自身を含む): 143016192

約数和(自身を除く): 71284455

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 49, 53, 63, 77, 81, 93, 99, 147, 159, 189, 217, 231, 279, 297, 341, 371, 441, 477, 539, 567, 583, 651, 693, 837, 891, 1023, 1113, 1323, 1431, 1519, 1617, 1643, 1749, 1953, 2079, 2387, 2511, 2597, 3069, 3339, 3969, 4081, 4293, 4557, 4851, 4929, 5247, 5859, 6237, 7161, 7791, 9207, 10017, 11501, 12243, 13671, 14553, 14787, 15741, 16709, 17577, 18073, 21483, 23373, 27621, 28567, 30051, 34503, 36729, 41013, 43659, 44361, 47223, 50127, 54219, 64449, 70119, 80507, 85701, 103509, 110187, 123039, 126511, 133083, 150381, 162657, 193347, 210357, 241521, 257103, 310527, 330561, 379533, 451143, 487971, 724563, 771309, 885577, 931581, 1138599, 1353429, 1463913, 2173689, 2313927, 2656731, 3415797, 6521067, 7970193, 10247391, 23910579, 71731737]

約数ペア:

[(1, 71731737), (3, 23910579), (7, 10247391), (9, 7970193), (11, 6521067), (21, 3415797), (27, 2656731), (31, 2313927), (33, 2173689), (49, 1463913), (53, 1353429), (63, 1138599), (77, 931581), (81, 885577), (93, 771309), (99, 724563), (147, 487971), (159, 451143), (189, 379533), (217, 330561), (231, 310527), (279, 257103), (297, 241521), (341, 210357), (371, 193347), (441, 162657), (477, 150381), (539, 133083), (567, 126511), (583, 123039), (651, 110187), (693, 103509), (837, 85701), (891, 80507), (1023, 70119), (1113, 64449), (1323, 54219), (1431, 50127), (1519, 47223), (1617, 44361), (1643, 43659), (1749, 41013), (1953, 36729), (2079, 34503), (2387, 30051), (2511, 28567), (2597, 27621), (3069, 23373), (3339, 21483), (3969, 18073), (4081, 17577), (4293, 16709), (4557, 15741), (4851, 14787), (4929, 14553), (5247, 13671), (5859, 12243), (6237, 11501), (7161, 10017), (7791, 9207)]