219205959

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{34679}}^1$

素因数の和:34739

約数の個数: 24

約数和(自身を含む): 347909760

約数和(自身を除く): 128703801

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 34679, 104037, 242753, 728259, 1491197, 1699271, 4473591, 5097813, 10438379, 31315137, 73068653, 219205959]

約数ペア:

[(1, 219205959), (3, 73068653), (7, 31315137), (21, 10438379), (43, 5097813), (49, 4473591), (129, 1699271), (147, 1491197), (301, 728259), (903, 242753), (2107, 104037), (6321, 34679)]