209997531

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{5867}}^1$

素因数の和:6011

約数の個数: 24

約数和(自身を含む): 313984944

約数和(自身を除く): 103987413

約数列:

[1, 3, 9, 41, 97, 123, 291, 369, 873, 3977, 5867, 11931, 17601, 35793, 52803, 240547, 569099, 721641, 1707297, 2164923, 5121891, 23333059, 69999177, 209997531]

約数ペア:

[(1, 209997531), (3, 69999177), (9, 23333059), (41, 5121891), (97, 2164923), (123, 1707297), (291, 721641), (369, 569099), (873, 240547), (3977, 52803), (5867, 35793), (11931, 17601)]