217469619

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{18127}}^1$

素因数の和:18207

約数の個数: 24

約数和(自身を含む): 331814912

約数和(自身を除く): 114345293

約数列:

[1, 3, 9, 31, 43, 93, 129, 279, 387, 1333, 3999, 11997, 18127, 54381, 163143, 561937, 779461, 1685811, 2338383, 5057433, 7015149, 24163291, 72489873, 217469619]

約数ペア:

[(1, 217469619), (3, 72489873), (9, 24163291), (31, 7015149), (43, 5057433), (93, 2338383), (129, 1685811), (279, 779461), (387, 561937), (1333, 163143), (3999, 54381), (11997, 18127)]