31398543

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 51494400

約数和(自身を除く): 20095857

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 639, 781, 1489, 1917, 2343, 4467, 7029, 13401, 16379, 21087, 40203, 49137, 105719, 147411, 317157, 442233, 951471, 1162909, 2854413, 3488727, 10466181, 31398543]

約数ペア:

[(1, 31398543), (3, 10466181), (9, 3488727), (11, 2854413), (27, 1162909), (33, 951471), (71, 442233), (99, 317157), (213, 147411), (297, 105719), (639, 49137), (781, 40203), (1489, 21087), (1917, 16379), (2343, 13401), (4467, 7029)]