28231947

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 41858544

約数和(自身を除く): 13626597

約数列:

[1, 3, 9, 73, 97, 219, 291, 443, 657, 873, 1329, 3987, 7081, 21243, 32339, 42971, 63729, 97017, 128913, 291051, 386739, 3136883, 9410649, 28231947]

約数ペア:

[(1, 28231947), (3, 9410649), (9, 3136883), (73, 386739), (97, 291051), (219, 128913), (291, 97017), (443, 63729), (657, 42971), (873, 32339), (1329, 21243), (3987, 7081)]