28789749

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{8669}}^1$

素因数の和:8722

約数の個数: 20

約数和(自身を含む): 44060940

約数和(自身を除く): 15271191

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 8669, 26007, 78021, 234063, 355429, 702189, 1066287, 3198861, 9596583, 28789749]

約数ペア:

[(1, 28789749), (3, 9596583), (9, 3198861), (27, 1066287), (41, 702189), (81, 355429), (123, 234063), (369, 78021), (1107, 26007), (3321, 8669)]