247764579

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11117}}^1$

素因数の和:11179

約数の個数: 32

約数和(自身を含む): 384238080

約数和(自身を除く): 136473501

約数列:

[1, 3, 17, 19, 23, 51, 57, 69, 323, 391, 437, 969, 1173, 1311, 7429, 11117, 22287, 33351, 188989, 211223, 255691, 566967, 633669, 767073, 3590791, 4346747, 4858129, 10772373, 13040241, 14574387, 82588193, 247764579]

約数ペア:

[(1, 247764579), (3, 82588193), (17, 14574387), (19, 13040241), (23, 10772373), (51, 4858129), (57, 4346747), (69, 3590791), (323, 767073), (391, 633669), (437, 566967), (969, 255691), (1173, 211223), (1311, 188989), (7429, 33351), (11117, 22287)]