27212211

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17891}}^1$

素因数の和:17923

約数の個数: 18

約数和(自身を含む): 42565068

約数和(自身を除く): 15352857

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 17891, 53673, 161019, 232583, 697749, 2093247, 3023579, 9070737, 27212211]

約数ペア:

[(1, 27212211), (3, 9070737), (9, 3023579), (13, 2093247), (39, 697749), (117, 232583), (169, 161019), (507, 53673), (1521, 17891)]