17889729

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 30030336

約数和(自身を除く): 12140607

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 121, 143, 187, 221, 223, 363, 429, 561, 663, 669, 1573, 2057, 2431, 2453, 2899, 3791, 4719, 6171, 7293, 7359, 8697, 11373, 26741, 26983, 31889, 41701, 49283, 80223, 80949, 95667, 125103, 147849, 350779, 458711, 542113, 1052337, 1376133, 1626339, 5963243, 17889729]

約数ペア:

[(1, 17889729), (3, 5963243), (11, 1626339), (13, 1376133), (17, 1052337), (33, 542113), (39, 458711), (51, 350779), (121, 147849), (143, 125103), (187, 95667), (221, 80949), (223, 80223), (363, 49283), (429, 41701), (561, 31889), (663, 26983), (669, 26741), (1573, 11373), (2057, 8697), (2431, 7359), (2453, 7293), (2899, 6171), (3791, 4719)]