639642753

素因数分解:

$3^2\times {\mathrm{5179}}^1\times {\mathrm{13723}}^1$

素因数の和:18908

約数の個数: 12

約数和(自身を含む): 924174160

約数和(自身を除く): 284531407

約数列:

[1, 3, 9, 5179, 13723, 15537, 41169, 46611, 123507, 71071417, 213214251, 639642753]

約数ペア:

[(1, 639642753), (3, 213214251), (9, 71071417), (5179, 123507), (13723, 46611), (15537, 41169)]