2097987

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1378

約数の個数: 16

約数和(自身を含む): 3059712

約数和(自身を除く): 961725

約数列:

[1, 3, 17, 31, 51, 93, 527, 1327, 1581, 3981, 22559, 41137, 67677, 123411, 699329, 2097987]

約数ペア:

[(1, 2097987), (3, 699329), (17, 123411), (31, 67677), (51, 41137), (93, 22559), (527, 3981), (1327, 1581)]