12172095

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20807}}^1$

素因数の和:20831

約数の個数: 24

約数和(自身を含む): 22722336

約数和(自身を除く): 10550241

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 20807, 62421, 104035, 187263, 270491, 312105, 811473, 936315, 1352455, 2434419, 4057365, 12172095]

約数ペア:

[(1, 12172095), (3, 4057365), (5, 2434419), (9, 1352455), (13, 936315), (15, 811473), (39, 312105), (45, 270491), (65, 187263), (117, 104035), (195, 62421), (585, 20807)]