231931557

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{180211}}^1$

素因数の和:180241

約数の個数: 24

約数和(自身を含む): 393583008

約数和(自身を除く): 161651451

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 180211, 540633, 1621899, 1982321, 2342743, 5946963, 7028229, 17840889, 21084687, 25770173, 77310519, 231931557]

約数ペア:

[(1, 231931557), (3, 77310519), (9, 25770173), (11, 21084687), (13, 17840889), (33, 7028229), (39, 5946963), (99, 2342743), (117, 1982321), (143, 1621899), (429, 540633), (1287, 180211)]