8205309

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{937}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 13657280

約数和(自身を除く): 5451971

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 937, 973, 1251, 2811, 2919, 6559, 8433, 8757, 19677, 59031, 130243, 390729, 911701, 1172187, 2735103, 8205309]

約数ペア:

[(1, 8205309), (3, 2735103), (7, 1172187), (9, 911701), (21, 390729), (63, 130243), (139, 59031), (417, 19677), (937, 8757), (973, 8433), (1251, 6559), (2811, 2919)]