2291481

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{881}}^1$

素因数の和:921

約数の個数: 18

約数和(自身を含む): 3520062

約数和(自身を除く): 1228581

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 881, 2601, 2643, 7929, 14977, 44931, 134793, 254609, 763827, 2291481]

約数ペア:

[(1, 2291481), (3, 763827), (9, 254609), (17, 134793), (51, 44931), (153, 14977), (289, 7929), (867, 2643), (881, 2601)]