2905903

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2903}}^1$

素因数の和:2934

約数の個数: 16

約数和(自身を含む): 3902976

約数和(自身を除く): 997073

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 2903, 20321, 31933, 37739, 223531, 264173, 415129, 2905903]

約数ペア:

[(1, 2905903), (7, 415129), (11, 264173), (13, 223531), (77, 37739), (91, 31933), (143, 20321), (1001, 2903)]