520091721

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{23311}}^1$

素因数の和:23421

約数の個数: 24

約数和(自身を含む): 783096704

約数和(自身を除く): 263004983

約数列:

[1, 3, 9, 37, 67, 111, 201, 333, 603, 2479, 7437, 22311, 23311, 69933, 209799, 862507, 1561837, 2587521, 4685511, 7762563, 14056533, 57787969, 173363907, 520091721]

約数ペア:

[(1, 520091721), (3, 173363907), (9, 57787969), (37, 14056533), (67, 7762563), (111, 4685511), (201, 2587521), (333, 1561837), (603, 862507), (2479, 209799), (7437, 69933), (22311, 23311)]