51640857

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{947}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 76605984

約数和(自身を除く): 24965127

約数列:

[1, 3, 9, 73, 83, 219, 249, 657, 747, 947, 2841, 6059, 8523, 18177, 54531, 69131, 78601, 207393, 235803, 622179, 707409, 5737873, 17213619, 51640857]

約数ペア:

[(1, 51640857), (3, 17213619), (9, 5737873), (73, 707409), (83, 622179), (219, 235803), (249, 207393), (657, 78601), (747, 69131), (947, 54531), (2841, 18177), (6059, 8523)]