28505085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{677}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 52330752

約数和(自身を除く): 23825667

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 401, 677, 1203, 2005, 2031, 2807, 3385, 4739, 6015, 8421, 10155, 14035, 14217, 23695, 42105, 71085, 271477, 814431, 1357385, 1900339, 4072155, 5701017, 9501695, 28505085]

約数ペア:

[(1, 28505085), (3, 9501695), (5, 5701017), (7, 4072155), (15, 1900339), (21, 1357385), (35, 814431), (105, 271477), (401, 71085), (677, 42105), (1203, 23695), (2005, 14217), (2031, 14035), (2807, 10155), (3385, 8421), (4739, 6015)]