23781681

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 46964736

約数和(自身を除く): 23183055

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 41, 63, 77, 81, 93, 99, 123, 189, 217, 231, 243, 279, 287, 297, 341, 369, 451, 567, 651, 693, 837, 861, 891, 1023, 1107, 1271, 1353, 1701, 1953, 2079, 2387, 2511, 2583, 2673, 3069, 3157, 3321, 3813, 4059, 5859, 6237, 7161, 7533, 7749, 8897, 9207, 9471, 9963, 11439, 12177, 13981, 17577, 18711, 21483, 23247, 26691, 27621, 28413, 34317, 36531, 41943, 52731, 64449, 69741, 80073, 82863, 85239, 97867, 102951, 109593, 125829, 193347, 240219, 255717, 293601, 308853, 377487, 580041, 720657, 767151, 880803, 1132461, 2161971, 2642409, 3397383, 7927227, 23781681]

約数ペア:

[(1, 23781681), (3, 7927227), (7, 3397383), (9, 2642409), (11, 2161971), (21, 1132461), (27, 880803), (31, 767151), (33, 720657), (41, 580041), (63, 377487), (77, 308853), (81, 293601), (93, 255717), (99, 240219), (123, 193347), (189, 125829), (217, 109593), (231, 102951), (243, 97867), (279, 85239), (287, 82863), (297, 80073), (341, 69741), (369, 64449), (451, 52731), (567, 41943), (651, 36531), (693, 34317), (837, 28413), (861, 27621), (891, 26691), (1023, 23247), (1107, 21483), (1271, 18711), (1353, 17577), (1701, 13981), (1953, 12177), (2079, 11439), (2387, 9963), (2511, 9471), (2583, 9207), (2673, 8897), (3069, 7749), (3157, 7533), (3321, 7161), (3813, 6237), (4059, 5859)]