2783131515

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{1667}}^1$

素因数の和:1913

約数の個数: 64

約数和(自身を含む): 5044032000

約数和(自身を除く): 2260900485

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 149, 249, 415, 447, 745, 747, 1245, 1341, 1667, 2235, 2241, 3735, 4023, 5001, 6705, 8335, 11205, 12367, 15003, 20115, 25005, 37101, 45009, 61835, 75015, 111303, 138361, 185505, 225045, 248383, 333909, 415083, 556515, 691805, 745149, 1241915, 1245249, 1669545, 2075415, 2235447, 3725745, 3735747, 6226245, 6706341, 11177235, 18678735, 20615789, 33531705, 61847367, 103078945, 185542101, 309236835, 556626303, 927710505, 2783131515]

約数ペア:

[(1, 2783131515), (3, 927710505), (5, 556626303), (9, 309236835), (15, 185542101), (27, 103078945), (45, 61847367), (83, 33531705), (135, 20615789), (149, 18678735), (249, 11177235), (415, 6706341), (447, 6226245), (745, 3735747), (747, 3725745), (1245, 2235447), (1341, 2075415), (1667, 1669545), (2235, 1245249), (2241, 1241915), (3735, 745149), (4023, 691805), (5001, 556515), (6705, 415083), (8335, 333909), (11205, 248383), (12367, 225045), (15003, 185505), (20115, 138361), (25005, 111303), (37101, 75015), (45009, 61835)]