28780383

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 43660800

約数和(自身を除く): 14880417

約数列:

[1, 3, 19, 23, 29, 57, 69, 87, 437, 551, 667, 757, 1311, 1653, 2001, 2271, 12673, 14383, 17411, 21953, 38019, 43149, 52233, 65859, 330809, 417107, 504919, 992427, 1251321, 1514757, 9593461, 28780383]

約数ペア:

[(1, 28780383), (3, 9593461), (19, 1514757), (23, 1251321), (29, 992427), (57, 504919), (69, 417107), (87, 330809), (437, 65859), (551, 52233), (667, 43149), (757, 38019), (1311, 21953), (1653, 17411), (2001, 14383), (2271, 12673)]