311982147

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 517233600

約数和(自身を除く): 205251453

約数列:

[1, 3, 9, 17, 19, 51, 57, 59, 107, 153, 171, 177, 289, 321, 323, 531, 867, 963, 969, 1003, 1121, 1819, 2033, 2601, 2907, 3009, 3363, 5457, 5491, 6099, 6313, 9027, 10089, 16371, 16473, 17051, 18297, 18939, 19057, 30923, 34561, 49419, 51153, 56817, 57171, 92769, 103683, 107321, 119947, 153459, 171513, 278307, 311049, 321963, 323969, 359841, 587537, 965889, 971907, 1079523, 1762611, 1824457, 2039099, 2915721, 5287833, 5473371, 6117297, 16420113, 18351891, 34664683, 103994049, 311982147]

約数ペア:

[(1, 311982147), (3, 103994049), (9, 34664683), (17, 18351891), (19, 16420113), (51, 6117297), (57, 5473371), (59, 5287833), (107, 2915721), (153, 2039099), (171, 1824457), (177, 1762611), (289, 1079523), (321, 971907), (323, 965889), (531, 587537), (867, 359841), (963, 323969), (969, 321963), (1003, 311049), (1121, 278307), (1819, 171513), (2033, 153459), (2601, 119947), (2907, 107321), (3009, 103683), (3363, 92769), (5457, 57171), (5491, 56817), (6099, 51153), (6313, 49419), (9027, 34561), (10089, 30923), (16371, 19057), (16473, 18939), (17051, 18297)]