28163373

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{78889}}^1$

素因数の和:78916

約数の個数: 16

約数和(自身を含む): 45440640

約数和(自身を除く): 17277267

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 78889, 236667, 552223, 1341113, 1656669, 4023339, 9387791, 28163373]

約数ペア:

[(1, 28163373), (3, 9387791), (7, 4023339), (17, 1656669), (21, 1341113), (51, 552223), (119, 236667), (357, 78889)]