253148511

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 477757440

約数和(自身を除く): 224608929

約数列:

[1, 3, 7, 11, 21, 23, 29, 31, 33, 53, 69, 77, 87, 93, 159, 161, 203, 217, 231, 253, 319, 341, 371, 483, 583, 609, 651, 667, 713, 759, 899, 957, 1023, 1113, 1219, 1537, 1643, 1749, 1771, 2001, 2139, 2233, 2387, 2697, 3657, 4081, 4611, 4669, 4929, 4991, 5313, 6293, 6699, 7161, 7337, 7843, 8533, 9889, 10759, 11501, 12243, 13409, 14007, 14973, 16907, 18073, 18879, 20677, 22011, 23529, 25599, 29667, 32277, 34503, 35351, 37789, 40227, 47647, 50721, 51359, 54219, 54901, 62031, 69223, 93863, 106053, 113367, 118349, 126511, 142941, 144739, 154077, 164703, 207669, 227447, 247457, 264523, 281589, 333529, 355047, 379533, 388861, 415679, 434217, 524117, 682341, 742371, 793569, 1000587, 1095881, 1166583, 1247037, 1572351, 1592129, 2722027, 2909753, 3287643, 3668819, 4776387, 7671167, 8166081, 8729259, 11006457, 12054691, 23013501, 36164073, 84382837, 253148511]

約数ペア:

[(1, 253148511), (3, 84382837), (7, 36164073), (11, 23013501), (21, 12054691), (23, 11006457), (29, 8729259), (31, 8166081), (33, 7671167), (53, 4776387), (69, 3668819), (77, 3287643), (87, 2909753), (93, 2722027), (159, 1592129), (161, 1572351), (203, 1247037), (217, 1166583), (231, 1095881), (253, 1000587), (319, 793569), (341, 742371), (371, 682341), (483, 524117), (583, 434217), (609, 415679), (651, 388861), (667, 379533), (713, 355047), (759, 333529), (899, 281589), (957, 264523), (1023, 247457), (1113, 227447), (1219, 207669), (1537, 164703), (1643, 154077), (1749, 144739), (1771, 142941), (2001, 126511), (2139, 118349), (2233, 113367), (2387, 106053), (2697, 93863), (3657, 69223), (4081, 62031), (4611, 54901), (4669, 54219), (4929, 51359), (4991, 50721), (5313, 47647), (6293, 40227), (6699, 37789), (7161, 35351), (7337, 34503), (7843, 32277), (8533, 29667), (9889, 25599), (10759, 23529), (11501, 22011), (12243, 20677), (13409, 18879), (14007, 18073), (14973, 16907)]