7986321

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1163}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 13316160

約数和(自身を除く): 5329839

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 1163, 2289, 3489, 6867, 8141, 10467, 24423, 73269, 126767, 380301, 887369, 1140903, 2662107, 7986321]

約数ペア:

[(1, 7986321), (3, 2662107), (7, 1140903), (9, 887369), (21, 380301), (63, 126767), (109, 73269), (327, 24423), (763, 10467), (981, 8141), (1163, 6867), (2289, 3489)]