28572921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2371}}^1$

素因数の和:2493

約数の個数: 24

約数和(自身を含む): 44897216

約数和(自身を除く): 16324295

約数列:

[1, 3, 9, 13, 39, 103, 117, 309, 927, 1339, 2371, 4017, 7113, 12051, 21339, 30823, 92469, 244213, 277407, 732639, 2197917, 3174769, 9524307, 28572921]

約数ペア:

[(1, 28572921), (3, 9524307), (9, 3174769), (13, 2197917), (39, 732639), (103, 277407), (117, 244213), (309, 92469), (927, 30823), (1339, 21339), (2371, 12051), (4017, 7113)]