2154156795

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{17401}}^1$

素因数の和:17553

約数の個数: 64

約数和(自身を含む): 4410362880

約数和(自身を除く): 2256206085

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 131, 135, 189, 315, 393, 655, 917, 945, 1179, 1965, 2751, 3537, 4585, 5895, 8253, 13755, 17401, 17685, 24759, 41265, 52203, 87005, 121807, 123795, 156609, 261015, 365421, 469827, 609035, 783045, 1096263, 1827105, 2279531, 2349135, 3288789, 5481315, 6838593, 11397655, 15956717, 16443945, 20515779, 34192965, 47870151, 61547337, 79783585, 102578895, 143610453, 239350755, 307736685, 430831359, 718052265, 2154156795]

約数ペア:

[(1, 2154156795), (3, 718052265), (5, 430831359), (7, 307736685), (9, 239350755), (15, 143610453), (21, 102578895), (27, 79783585), (35, 61547337), (45, 47870151), (63, 34192965), (105, 20515779), (131, 16443945), (135, 15956717), (189, 11397655), (315, 6838593), (393, 5481315), (655, 3288789), (917, 2349135), (945, 2279531), (1179, 1827105), (1965, 1096263), (2751, 783045), (3537, 609035), (4585, 469827), (5895, 365421), (8253, 261015), (13755, 156609), (17401, 123795), (17685, 121807), (24759, 87005), (41265, 52203)]