209968221

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{50461}}^1$

素因数の和:50556

約数の個数: 16

約数和(自身を含む): 298735040

約数和(自身を除く): 88766819

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 50461, 151383, 958759, 2876277, 3683653, 11050959, 69989407, 209968221]

約数ペア:

[(1, 209968221), (3, 69989407), (19, 11050959), (57, 3683653), (73, 2876277), (219, 958759), (1387, 151383), (4161, 50461)]