1640584773

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 2710245120

約数和(自身を除く): 1069660347

約数列:

[1, 3, 9, 19, 27, 37, 47, 57, 81, 111, 141, 171, 333, 423, 513, 613, 703, 893, 999, 1269, 1539, 1739, 1839, 2109, 2679, 2997, 3807, 5217, 5517, 6327, 8037, 11647, 15651, 16551, 18981, 22681, 24111, 28811, 33041, 34941, 46953, 49653, 56943, 68043, 72333, 86433, 99123, 104823, 140859, 204129, 259299, 297369, 314469, 430939, 547409, 612387, 777897, 892107, 943407, 1066007, 1292817, 1642227, 1837161, 2333691, 2676321, 3198021, 3878451, 4926681, 9594063, 11635353, 14780043, 20254133, 28782189, 34906059, 44340129, 60762399, 86346567, 182287197, 546861591, 1640584773]

約数ペア:

[(1, 1640584773), (3, 546861591), (9, 182287197), (19, 86346567), (27, 60762399), (37, 44340129), (47, 34906059), (57, 28782189), (81, 20254133), (111, 14780043), (141, 11635353), (171, 9594063), (333, 4926681), (423, 3878451), (513, 3198021), (613, 2676321), (703, 2333691), (893, 1837161), (999, 1642227), (1269, 1292817), (1539, 1066007), (1739, 943407), (1839, 892107), (2109, 777897), (2679, 612387), (2997, 547409), (3807, 430939), (5217, 314469), (5517, 297369), (6327, 259299), (8037, 204129), (11647, 140859), (15651, 104823), (16551, 99123), (18981, 86433), (22681, 72333), (24111, 68043), (28811, 56943), (33041, 49653), (34941, 46953)]