664691859

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{23971}}^1$

素因数の和:24072

約数の個数: 32

約数和(自身を含む): 1073945600

約数和(自身を除く): 409253741

約数列:

[1, 3, 9, 13, 27, 39, 79, 117, 237, 351, 711, 1027, 2133, 3081, 9243, 23971, 27729, 71913, 215739, 311623, 647217, 934869, 1893709, 2804607, 5681127, 8413821, 17043381, 24618217, 51130143, 73854651, 221563953, 664691859]

約数ペア:

[(1, 664691859), (3, 221563953), (9, 73854651), (13, 51130143), (27, 24618217), (39, 17043381), (79, 8413821), (117, 5681127), (237, 2804607), (351, 1893709), (711, 934869), (1027, 647217), (2133, 311623), (3081, 215739), (9243, 71913), (23971, 27729)]