81747237

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1019}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 136745280

約数和(自身を除く): 54998043

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 121, 143, 187, 221, 363, 429, 561, 663, 1019, 1573, 2057, 2431, 3057, 4719, 6171, 7293, 11209, 13247, 17323, 26741, 33627, 39741, 51969, 80223, 123299, 145717, 190553, 225199, 369897, 437151, 571659, 675597, 1602887, 2096083, 2477189, 4808661, 6288249, 7431567, 27249079, 81747237]

約数ペア:

[(1, 81747237), (3, 27249079), (11, 7431567), (13, 6288249), (17, 4808661), (33, 2477189), (39, 2096083), (51, 1602887), (121, 675597), (143, 571659), (187, 437151), (221, 369897), (363, 225199), (429, 190553), (561, 145717), (663, 123299), (1019, 80223), (1573, 51969), (2057, 39741), (2431, 33627), (3057, 26741), (4719, 17323), (6171, 13247), (7293, 11209)]