215866107

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1789}}^1$

素因数の和:1948

約数の個数: 32

約数和(自身を含む): 330792000

約数和(自身を除く): 114925893

約数列:

[1, 3, 9, 27, 41, 109, 123, 327, 369, 981, 1107, 1789, 2943, 4469, 5367, 13407, 16101, 40221, 48303, 73349, 120663, 195001, 220047, 585003, 660141, 1755009, 1980423, 5265027, 7995041, 23985123, 71955369, 215866107]

約数ペア:

[(1, 215866107), (3, 71955369), (9, 23985123), (27, 7995041), (41, 5265027), (109, 1980423), (123, 1755009), (327, 660141), (369, 585003), (981, 220047), (1107, 195001), (1789, 120663), (2943, 73349), (4469, 48303), (5367, 40221), (13407, 16101)]