209852721

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{1093}}^1$

素因数の和:1662

約数の個数: 32

約数和(自身を含む): 335726720

約数和(自身を除く): 125873999

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 547, 1093, 1641, 3279, 4923, 7111, 9837, 14209, 14769, 21333, 29511, 42627, 63999, 127881, 191997, 383643, 597871, 1793613, 5380839, 7772323, 16142517, 23316969, 69950907, 209852721]

約数ペア:

[(1, 209852721), (3, 69950907), (9, 23316969), (13, 16142517), (27, 7772323), (39, 5380839), (117, 1793613), (351, 597871), (547, 383643), (1093, 191997), (1641, 127881), (3279, 63999), (4923, 42627), (7111, 29511), (9837, 21333), (14209, 14769)]