211361409

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^2\times {\mathrm{487}}^1$

素因数の和:666

約数の個数: 36

約数和(自身を含む): 353893696

約数和(自身を除く): 142532287

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 487, 581, 747, 1461, 1743, 3409, 4383, 5229, 6889, 10227, 20667, 30681, 40421, 48223, 62001, 121263, 144669, 282947, 363789, 434007, 848841, 2546523, 3354943, 10064829, 23484601, 30194487, 70453803, 211361409]

約数ペア:

[(1, 211361409), (3, 70453803), (7, 30194487), (9, 23484601), (21, 10064829), (63, 3354943), (83, 2546523), (249, 848841), (487, 434007), (581, 363789), (747, 282947), (1461, 144669), (1743, 121263), (3409, 62001), (4383, 48223), (5229, 40421), (6889, 30681), (10227, 20667)]