291201891

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 431823744

約数和(自身を除く): 140621853

約数列:

[1, 3, 17, 43, 51, 73, 107, 129, 219, 289, 321, 731, 867, 1241, 1819, 2193, 3139, 3723, 4601, 5457, 7811, 9417, 12427, 13803, 21097, 23433, 30923, 37281, 53363, 63291, 78217, 92769, 132787, 160089, 234651, 335873, 398361, 907171, 1007619, 1329689, 2257379, 2721513, 3989067, 5709841, 6772137, 17129523, 97067297, 291201891]

約数ペア:

[(1, 291201891), (3, 97067297), (17, 17129523), (43, 6772137), (51, 5709841), (73, 3989067), (107, 2721513), (129, 2257379), (219, 1329689), (289, 1007619), (321, 907171), (731, 398361), (867, 335873), (1241, 234651), (1819, 160089), (2193, 132787), (3139, 92769), (3723, 78217), (4601, 63291), (5457, 53363), (7811, 37281), (9417, 30923), (12427, 23433), (13803, 21097)]