66320319

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 98993664

約数和(自身を除く): 32673345

約数列:

[1, 3, 13, 39, 43, 71, 129, 213, 557, 559, 923, 1671, 1677, 2769, 3053, 7241, 9159, 21723, 23951, 39547, 39689, 71853, 118641, 119067, 311363, 514111, 934089, 1542333, 1700521, 5101563, 22106773, 66320319]

約数ペア:

[(1, 66320319), (3, 22106773), (13, 5101563), (39, 1700521), (43, 1542333), (71, 934089), (129, 514111), (213, 311363), (557, 119067), (559, 118641), (923, 71853), (1671, 39689), (1677, 39547), (2769, 23951), (3053, 21723), (7241, 9159)]