28047943

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3061}}^1$

素因数の和:3103

約数の個数: 24

約数和(自身を含む): 37699344

約数和(自身を除く): 9651401

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 539, 833, 1309, 3061, 9163, 21427, 33671, 52037, 149989, 235697, 364259, 572407, 1649879, 2549813, 4006849, 28047943]

約数ペア:

[(1, 28047943), (7, 4006849), (11, 2549813), (17, 1649879), (49, 572407), (77, 364259), (119, 235697), (187, 149989), (539, 52037), (833, 33671), (1309, 21427), (3061, 9163)]