30991983

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49429}}^1$

素因数の和:49462

約数の個数: 16

約数和(自身を含む): 47452800

約数和(自身を除く): 16460817

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 49429, 148287, 543719, 939151, 1631157, 2817453, 10330661, 30991983]

約数ペア:

[(1, 30991983), (3, 10330661), (11, 2817453), (19, 1631157), (33, 939151), (57, 543719), (209, 148287), (627, 49429)]