28989477

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{661}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 45852768

約数和(自身を除く): 16863291

約数列:

[1, 3, 9, 11, 33, 99, 443, 661, 1329, 1983, 3987, 4873, 5949, 7271, 14619, 21813, 43857, 65439, 292823, 878469, 2635407, 3221053, 9663159, 28989477]

約数ペア:

[(1, 28989477), (3, 9663159), (9, 3221053), (11, 2635407), (33, 878469), (99, 292823), (443, 65439), (661, 43857), (1329, 21813), (1983, 14619), (3987, 7271), (4873, 5949)]