28513881

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{983}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 45130176

約数和(自身を除く): 16616295

約数列:

[1, 3, 9, 11, 33, 99, 293, 879, 983, 2637, 2949, 3223, 8847, 9669, 10813, 29007, 32439, 97317, 288019, 864057, 2592171, 3168209, 9504627, 28513881]

約数ペア:

[(1, 28513881), (3, 9504627), (9, 3168209), (11, 2592171), (33, 864057), (99, 288019), (293, 97317), (879, 32439), (983, 29007), (2637, 10813), (2949, 9669), (3223, 8847)]