209399259

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{23321}}^1$

素因数の和:23438

約数の個数: 16

約数和(自身を含む): 289939104

約数和(自身を除く): 80539845

約数列:

[1, 3, 41, 73, 123, 219, 2993, 8979, 23321, 69963, 956161, 1702433, 2868483, 5107299, 69799753, 209399259]

約数ペア:

[(1, 209399259), (3, 69799753), (41, 5107299), (73, 2868483), (123, 1702433), (219, 956161), (2993, 69963), (8979, 23321)]