1997845641

素因数分解:

$3^6\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 112

約数和(自身を含む): 3456328320

約数和(自身を除く): 1458482679

約数列:

[1, 3, 9, 11, 27, 29, 33, 71, 81, 87, 99, 121, 213, 243, 261, 297, 319, 363, 639, 729, 781, 783, 891, 957, 1089, 1331, 1917, 2059, 2343, 2349, 2673, 2871, 3267, 3509, 3993, 5751, 6177, 7029, 7047, 8019, 8591, 8613, 9801, 10527, 11979, 17253, 18531, 21087, 21141, 22649, 25773, 25839, 29403, 31581, 35937, 38599, 51759, 55593, 63261, 67947, 77319, 77517, 88209, 94501, 94743, 107811, 115797, 166779, 189783, 203841, 231957, 232551, 249139, 283503, 284229, 323433, 347391, 500337, 569349, 611523, 695871, 747417, 850509, 852687, 970299, 1042173, 1501011, 1834569, 2087613, 2242251, 2551527, 2558061, 2740529, 3126519, 5503707, 6262839, 6726753, 7654581, 8221587, 9379557, 16511121, 20180259, 22963743, 24664761, 28138671, 60540777, 68891229, 73994283, 181622331, 221982849, 665948547, 1997845641]

約数ペア:

[(1, 1997845641), (3, 665948547), (9, 221982849), (11, 181622331), (27, 73994283), (29, 68891229), (33, 60540777), (71, 28138671), (81, 24664761), (87, 22963743), (99, 20180259), (121, 16511121), (213, 9379557), (243, 8221587), (261, 7654581), (297, 6726753), (319, 6262839), (363, 5503707), (639, 3126519), (729, 2740529), (781, 2558061), (783, 2551527), (891, 2242251), (957, 2087613), (1089, 1834569), (1331, 1501011), (1917, 1042173), (2059, 970299), (2343, 852687), (2349, 850509), (2673, 747417), (2871, 695871), (3267, 611523), (3509, 569349), (3993, 500337), (5751, 347391), (6177, 323433), (7029, 284229), (7047, 283503), (8019, 249139), (8591, 232551), (8613, 231957), (9801, 203841), (10527, 189783), (11979, 166779), (17253, 115797), (18531, 107811), (21087, 94743), (21141, 94501), (22649, 88209), (25773, 77517), (25839, 77319), (29403, 67947), (31581, 63261), (35937, 55593), (38599, 51759)]