161657301

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 265870080

約数和(自身を除く): 104212779

約数列:

[1, 3, 13, 17, 19, 39, 41, 51, 57, 123, 221, 247, 313, 323, 533, 663, 697, 741, 779, 939, 969, 1599, 2091, 2337, 4069, 4199, 5321, 5947, 9061, 10127, 12207, 12597, 12833, 13243, 15963, 17841, 27183, 30381, 38499, 39729, 69173, 77311, 101099, 166829, 172159, 207519, 218161, 231933, 243827, 303297, 500487, 516477, 654483, 731481, 1314287, 2836093, 3169751, 3942861, 4145059, 8508279, 9509253, 12435177, 53885767, 161657301]

約数ペア:

[(1, 161657301), (3, 53885767), (13, 12435177), (17, 9509253), (19, 8508279), (39, 4145059), (41, 3942861), (51, 3169751), (57, 2836093), (123, 1314287), (221, 731481), (247, 654483), (313, 516477), (323, 500487), (533, 303297), (663, 243827), (697, 231933), (741, 218161), (779, 207519), (939, 172159), (969, 166829), (1599, 101099), (2091, 77311), (2337, 69173), (4069, 39729), (4199, 38499), (5321, 30381), (5947, 27183), (9061, 17841), (10127, 15963), (12207, 13243), (12597, 12833)]