31493469

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4643}}^1$

素因数の和:4689

約数の個数: 32

約数和(自身を含む): 53498880

約数和(自身を除く): 22005411

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 4643, 6783, 13929, 32501, 78931, 88217, 97503, 236793, 264651, 552517, 617519, 1499689, 1657551, 1852557, 4499067, 10497823, 31493469]

約数ペア:

[(1, 31493469), (3, 10497823), (7, 4499067), (17, 1852557), (19, 1657551), (21, 1499689), (51, 617519), (57, 552517), (119, 264651), (133, 236793), (323, 97503), (357, 88217), (399, 78931), (969, 32501), (2261, 13929), (4643, 6783)]