51357969

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 92695680

約数和(自身を除く): 41337711

約数列:

[1, 3, 9, 13, 17, 19, 27, 39, 51, 57, 81, 117, 151, 153, 171, 221, 247, 323, 351, 453, 459, 513, 663, 741, 969, 1053, 1359, 1377, 1539, 1963, 1989, 2223, 2567, 2869, 2907, 4077, 4199, 5889, 5967, 6669, 7701, 8607, 8721, 12231, 12597, 17667, 17901, 20007, 23103, 25821, 26163, 33371, 37297, 37791, 48773, 53001, 69309, 77463, 100113, 111891, 113373, 146319, 159003, 207927, 232389, 300339, 335673, 340119, 438957, 634049, 901017, 1007019, 1316871, 1902147, 2703051, 3021057, 3950613, 5706441, 17119323, 51357969]

約数ペア:

[(1, 51357969), (3, 17119323), (9, 5706441), (13, 3950613), (17, 3021057), (19, 2703051), (27, 1902147), (39, 1316871), (51, 1007019), (57, 901017), (81, 634049), (117, 438957), (151, 340119), (153, 335673), (171, 300339), (221, 232389), (247, 207927), (323, 159003), (351, 146319), (453, 113373), (459, 111891), (513, 100113), (663, 77463), (741, 69309), (969, 53001), (1053, 48773), (1359, 37791), (1377, 37297), (1539, 33371), (1963, 26163), (1989, 25821), (2223, 23103), (2567, 20007), (2869, 17901), (2907, 17667), (4077, 12597), (4199, 12231), (5889, 8721), (5967, 8607), (6669, 7701)]