669497769

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{2647}}^1$

素因数の和:2989

約数の個数: 24

約数和(自身を含む): 979018560

約数和(自身を除く): 309520791

約数列:

[1, 3, 9, 157, 179, 471, 537, 1413, 1611, 2647, 7941, 23823, 28103, 84309, 252927, 415579, 473813, 1246737, 1421439, 3740211, 4264317, 74388641, 223165923, 669497769]

約数ペア:

[(1, 669497769), (3, 223165923), (9, 74388641), (157, 4264317), (179, 3740211), (471, 1421439), (537, 1246737), (1413, 473813), (1611, 415579), (2647, 252927), (7941, 84309), (23823, 28103)]