215681607

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{1279}}^1$

素因数の和:1783

約数の個数: 24

約数和(自身を含む): 320087040

約数和(自身を除く): 104405433

約数列:

[1, 3, 9, 41, 123, 369, 457, 1279, 1371, 3837, 4113, 11511, 18737, 52439, 56211, 157317, 168633, 471951, 584503, 1753509, 5260527, 23964623, 71893869, 215681607]

約数ペア:

[(1, 215681607), (3, 71893869), (9, 23964623), (41, 5260527), (123, 1753509), (369, 584503), (457, 471951), (1279, 168633), (1371, 157317), (3837, 56211), (4113, 52439), (11511, 18737)]