210972531

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{8867}}^1$

素因数の和:8991

約数の個数: 32

約数和(自身を含む): 354152448

約数和(自身を除く): 143179917

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 231, 309, 721, 1133, 2163, 3399, 7931, 8867, 23793, 26601, 62069, 97537, 186207, 292611, 682759, 913301, 2048277, 2739903, 6393107, 10046311, 19179321, 30138933, 70324177, 210972531]

約数ペア:

[(1, 210972531), (3, 70324177), (7, 30138933), (11, 19179321), (21, 10046311), (33, 6393107), (77, 2739903), (103, 2048277), (231, 913301), (309, 682759), (721, 292611), (1133, 186207), (2163, 97537), (3399, 62069), (7931, 26601), (8867, 23793)]