201437721

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{10169}}^1$

素因数の和:10277

約数の個数: 24

約数和(自身を含む): 304611840

約数和(自身を除く): 103174119

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 2201, 6603, 10169, 19809, 30507, 91521, 315239, 721999, 945717, 2165997, 2837151, 6497991, 22381969, 67145907, 201437721]

約数ペア:

[(1, 201437721), (3, 67145907), (9, 22381969), (31, 6497991), (71, 2837151), (93, 2165997), (213, 945717), (279, 721999), (639, 315239), (2201, 91521), (6603, 30507), (10169, 19809)]