231760991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{643}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 300711936

約数和(自身を除く): 68950945

約数列:

[1, 7, 11, 31, 77, 151, 217, 341, 643, 1057, 1661, 2387, 4501, 4681, 7073, 11627, 19933, 32767, 49511, 51491, 97093, 139531, 219263, 360437, 679651, 1068023, 1534841, 3009883, 7476161, 21069181, 33108713, 231760991]

約数ペア:

[(1, 231760991), (7, 33108713), (11, 21069181), (31, 7476161), (77, 3009883), (151, 1534841), (217, 1068023), (341, 679651), (643, 360437), (1057, 219263), (1661, 139531), (2387, 97093), (4501, 51491), (4681, 49511), (7073, 32767), (11627, 19933)]