28899

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:51

約数の個数: 18

約数和(自身を含む): 47580

約数和(自身を除く): 18681

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 169, 171, 247, 507, 741, 1521, 2223, 3211, 9633, 28899]

約数ペア:

[(1, 28899), (3, 9633), (9, 3211), (13, 2223), (19, 1521), (39, 741), (57, 507), (117, 247), (169, 171)]