221736393

素因数分解:

$3^3\times {\mathrm{1279}}^1\times {\mathrm{6421}}^1$

素因数の和:7709

約数の個数: 16

約数和(自身を含む): 328806400

約数和(自身を除く): 107070007

約数列:

[1, 3, 9, 27, 1279, 3837, 6421, 11511, 19263, 34533, 57789, 173367, 8212459, 24637377, 73912131, 221736393]

約数ペア:

[(1, 221736393), (3, 73912131), (9, 24637377), (27, 8212459), (1279, 173367), (3837, 57789), (6421, 34533), (11511, 19263)]