16660863

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 25574400

約数和(自身を除く): 8913537

約数列:

[1, 3, 9, 27, 73, 79, 107, 219, 237, 321, 657, 711, 963, 1971, 2133, 2889, 5767, 7811, 8453, 17301, 23433, 25359, 51903, 70299, 76077, 155709, 210897, 228231, 617069, 1851207, 5553621, 16660863]

約数ペア:

[(1, 16660863), (3, 5553621), (9, 1851207), (27, 617069), (73, 228231), (79, 210897), (107, 155709), (219, 76077), (237, 70299), (321, 51903), (657, 25359), (711, 23433), (963, 17301), (1971, 8453), (2133, 7811), (2889, 5767)]