16688781

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 26507520

約数和(自身を除く): 9818739

約数列:

[1, 3, 9, 17, 27, 51, 103, 153, 309, 353, 459, 927, 1059, 1751, 2781, 3177, 5253, 6001, 9531, 15759, 18003, 36359, 47277, 54009, 109077, 162027, 327231, 618103, 981693, 1854309, 5562927, 16688781]

約数ペア:

[(1, 16688781), (3, 5562927), (9, 1854309), (17, 981693), (27, 618103), (51, 327231), (103, 162027), (153, 109077), (309, 54009), (353, 47277), (459, 36359), (927, 18003), (1059, 15759), (1751, 9531), (2781, 6001), (3177, 5253)]