31528287

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2593}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 52336544

約数和(自身を除く): 20808257

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1737, 2593, 4053, 7779, 12159, 18151, 23337, 54453, 163359, 500449, 1501347, 3503143, 4504041, 10509429, 31528287]

約数ペア:

[(1, 31528287), (3, 10509429), (7, 4504041), (9, 3503143), (21, 1501347), (63, 500449), (193, 163359), (579, 54453), (1351, 23337), (1737, 18151), (2593, 12159), (4053, 7779)]