8117721

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{3121}}^1$

素因数の和:3161

約数の個数: 18

約数和(自身を含む): 12459902

約数和(自身を除く): 4342181

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 3121, 9363, 28089, 53057, 159171, 477513, 901969, 2705907, 8117721]

約数ペア:

[(1, 8117721), (3, 2705907), (9, 901969), (17, 477513), (51, 159171), (153, 53057), (289, 28089), (867, 9363), (2601, 3121)]