208865691

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{9257}}^1$

素因数の和:9395

約数の個数: 24

約数和(自身を含む): 317734560

約数和(自身を除く): 108868869

約数列:

[1, 3, 9, 23, 69, 109, 207, 327, 981, 2507, 7521, 9257, 22563, 27771, 83313, 212911, 638733, 1009013, 1916199, 3027039, 9081117, 23207299, 69621897, 208865691]

約数ペア:

[(1, 208865691), (3, 69621897), (9, 23207299), (23, 9081117), (69, 3027039), (109, 1916199), (207, 1009013), (327, 638733), (981, 212911), (2507, 83313), (7521, 27771), (9257, 22563)]