208069491

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{135727}}^1$

素因数の和:135810

約数の個数: 16

約数和(自身を含む): 321403904

約数和(自身を除く): 113334413

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 135727, 407181, 950089, 2850267, 9908071, 29724213, 69356497, 208069491]

約数ペア:

[(1, 208069491), (3, 69356497), (7, 29724213), (21, 9908071), (73, 2850267), (219, 950089), (511, 407181), (1533, 135727)]