28860291

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 42571776

約数和(自身を除く): 13711485

約数列:

[1, 3, 9, 103, 163, 191, 309, 489, 573, 927, 1467, 1719, 16789, 19673, 31133, 50367, 59019, 93399, 151101, 177057, 280197, 3206699, 9620097, 28860291]

約数ペア:

[(1, 28860291), (3, 9620097), (9, 3206699), (103, 280197), (163, 177057), (191, 151101), (309, 93399), (489, 59019), (573, 50367), (927, 31133), (1467, 19673), (1719, 16789)]