64889919

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{283}}^1\times {\mathrm{349}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 95622800

約数和(自身を除く): 30732881

約数列:

[1, 3, 9, 73, 219, 283, 349, 657, 849, 1047, 2547, 3141, 20659, 25477, 61977, 76431, 98767, 185931, 229293, 296301, 888903, 7209991, 21629973, 64889919]

約数ペア:

[(1, 64889919), (3, 21629973), (9, 7209991), (73, 888903), (219, 296301), (283, 229293), (349, 185931), (657, 98767), (849, 76431), (1047, 61977), (2547, 25477), (3141, 20659)]