257235297

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^2\times {\mathrm{1249}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 379260000

約数和(自身を除く): 122024703

約数列:

[1, 3, 11, 33, 79, 237, 869, 1249, 2607, 3747, 6241, 13739, 18723, 41217, 68651, 98671, 205953, 296013, 1085381, 3256143, 7795009, 23385027, 85745099, 257235297]

約数ペア:

[(1, 257235297), (3, 85745099), (11, 23385027), (33, 7795009), (79, 3256143), (237, 1085381), (869, 296013), (1249, 205953), (2607, 98671), (3747, 68651), (6241, 41217), (13739, 18723)]