1286653977

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1152

約数の個数: 80

約数和(自身を含む): 2301640704

約数和(自身を除く): 1014986727

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 71, 81, 93, 189, 213, 217, 279, 497, 567, 639, 651, 837, 1031, 1491, 1917, 1953, 2201, 2511, 3093, 4473, 5751, 5859, 6603, 7217, 9279, 13419, 15407, 17577, 19809, 21651, 27837, 31961, 40257, 46221, 59427, 64953, 73201, 83511, 95883, 138663, 178281, 194859, 219603, 223727, 287649, 415989, 512407, 584577, 658809, 671181, 862947, 1247967, 1537221, 1976427, 2013543, 2269231, 2588841, 4611663, 5929281, 6040629, 6807693, 13834989, 15884617, 18121887, 20423079, 41504967, 47653851, 61269237, 142961553, 183807711, 428884659, 1286653977]

約数ペア:

[(1, 1286653977), (3, 428884659), (7, 183807711), (9, 142961553), (21, 61269237), (27, 47653851), (31, 41504967), (63, 20423079), (71, 18121887), (81, 15884617), (93, 13834989), (189, 6807693), (213, 6040629), (217, 5929281), (279, 4611663), (497, 2588841), (567, 2269231), (639, 2013543), (651, 1976427), (837, 1537221), (1031, 1247967), (1491, 862947), (1917, 671181), (1953, 658809), (2201, 584577), (2511, 512407), (3093, 415989), (4473, 287649), (5751, 223727), (5859, 219603), (6603, 194859), (7217, 178281), (9279, 138663), (13419, 95883), (15407, 83511), (17577, 73201), (19809, 64953), (21651, 59427), (27837, 46221), (31961, 40257)]