231596541

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{212669}}^1$

素因数の和:212697

約数の個数: 18

約数和(自身を含む): 367706430

約数和(自身を除く): 136109889

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 212669, 638007, 1914021, 2339359, 7018077, 21054231, 25732949, 77198847, 231596541]

約数ペア:

[(1, 231596541), (3, 77198847), (9, 25732949), (11, 21054231), (33, 7018077), (99, 2339359), (121, 1914021), (363, 638007), (1089, 212669)]