28728861

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{80473}}^1$

素因数の和:80500

約数の個数: 16

約数和(自身を含む): 46353024

約数和(自身を除く): 17624163

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 80473, 241419, 563311, 1368041, 1689933, 4104123, 9576287, 28728861]

約数ペア:

[(1, 28728861), (3, 9576287), (7, 4104123), (17, 1689933), (21, 1368041), (51, 563311), (119, 241419), (357, 80473)]