2128959

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 3594240

約数和(自身を除く): 1465281

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 719, 987, 2157, 2961, 5033, 6471, 15099, 33793, 45297, 101379, 236551, 304137, 709653, 2128959]

約数ペア:

[(1, 2128959), (3, 709653), (7, 304137), (9, 236551), (21, 101379), (47, 45297), (63, 33793), (141, 15099), (329, 6471), (423, 5033), (719, 2961), (987, 2157)]