28505379

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79847}}^1$

素因数の和:79874

約数の個数: 16

約数和(自身を含む): 45992448

約数和(自身を除く): 17487069

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 79847, 239541, 558929, 1357399, 1676787, 4072197, 9501793, 28505379]

約数ペア:

[(1, 28505379), (3, 9501793), (7, 4072197), (17, 1676787), (21, 1357399), (51, 558929), (119, 239541), (357, 79847)]