279263259

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 455704704

約数和(自身を除く): 176441445

約数列:

[1, 3, 9, 11, 33, 41, 99, 107, 123, 321, 369, 451, 643, 963, 1177, 1353, 1929, 3531, 4059, 4387, 5787, 7073, 10593, 13161, 21219, 26363, 39483, 48257, 63657, 68801, 79089, 144771, 206403, 237267, 289993, 434313, 619209, 756811, 869979, 2270433, 2609937, 2820841, 6811299, 8462523, 25387569, 31029251, 93087753, 279263259]

約数ペア:

[(1, 279263259), (3, 93087753), (9, 31029251), (11, 25387569), (33, 8462523), (41, 6811299), (99, 2820841), (107, 2609937), (123, 2270433), (321, 869979), (369, 756811), (451, 619209), (643, 434313), (963, 289993), (1177, 237267), (1353, 206403), (1929, 144771), (3531, 79089), (4059, 68801), (4387, 63657), (5787, 48257), (7073, 39483), (10593, 26363), (13161, 21219)]