19779612993

素因数分解:

$3^4\times 7^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:1128

約数の個数: 80

約数和(自身を含む): 34112010240

約数和(自身を除く): 14332397247

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 227, 239, 567, 643, 681, 717, 1589, 1673, 1929, 2043, 2151, 4501, 4767, 5019, 5787, 6129, 6453, 13503, 14301, 15057, 17361, 18387, 19359, 40509, 42903, 45171, 52083, 54253, 121527, 128709, 135513, 145961, 153677, 162759, 364581, 379771, 437883, 461031, 488277, 1021727, 1075739, 1139313, 1313649, 1383093, 1464831, 3065181, 3227217, 3417939, 3940947, 4149279, 4394493, 9195543, 9681651, 10253817, 11822841, 12447837, 27586629, 29044953, 30761451, 34884679, 82759887, 87134859, 104654037, 244192753, 313962111, 732578259, 941886333, 2197734777, 2825658999, 6593204331, 19779612993]

約数ペア:

[(1, 19779612993), (3, 6593204331), (7, 2825658999), (9, 2197734777), (21, 941886333), (27, 732578259), (63, 313962111), (81, 244192753), (189, 104654037), (227, 87134859), (239, 82759887), (567, 34884679), (643, 30761451), (681, 29044953), (717, 27586629), (1589, 12447837), (1673, 11822841), (1929, 10253817), (2043, 9681651), (2151, 9195543), (4501, 4394493), (4767, 4149279), (5019, 3940947), (5787, 3417939), (6129, 3227217), (6453, 3065181), (13503, 1464831), (14301, 1383093), (15057, 1313649), (17361, 1139313), (18387, 1075739), (19359, 1021727), (40509, 488277), (42903, 461031), (45171, 437883), (52083, 379771), (54253, 364581), (121527, 162759), (128709, 153677), (135513, 145961)]