491681853

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{1400803}}^1$

素因数の和:1400825

約数の個数: 16

約数和(自身を含む): 784450240

約数和(自身を除く): 292768387

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 1400803, 4202409, 12607227, 18210439, 37821681, 54631317, 163893951, 491681853]

約数ペア:

[(1, 491681853), (3, 163893951), (9, 54631317), (13, 37821681), (27, 18210439), (39, 12607227), (117, 4202409), (351, 1400803)]