9890181

素因数分解:

$3^4\times 7^1\times {\mathrm{17443}}^1$

素因数の和:17462

約数の個数: 20

約数和(自身を含む): 16885792

約数和(自身を除く): 6995611

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 17443, 52329, 122101, 156987, 366303, 470961, 1098909, 1412883, 3296727, 9890181]

約数ペア:

[(1, 9890181), (3, 3296727), (7, 1412883), (9, 1098909), (21, 470961), (27, 366303), (63, 156987), (81, 122101), (189, 52329), (567, 17443)]