81742155

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1553}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 148811040

約数和(自身を除く): 67068885

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 121, 145, 165, 319, 363, 435, 605, 957, 1553, 1595, 1815, 3509, 4659, 4785, 7765, 10527, 17083, 17545, 23295, 45037, 51249, 52635, 85415, 135111, 187913, 225185, 256245, 495407, 563739, 675555, 939565, 1486221, 2477035, 2818695, 5449477, 7431105, 16348431, 27247385, 81742155]

約数ペア:

[(1, 81742155), (3, 27247385), (5, 16348431), (11, 7431105), (15, 5449477), (29, 2818695), (33, 2477035), (55, 1486221), (87, 939565), (121, 675555), (145, 563739), (165, 495407), (319, 256245), (363, 225185), (435, 187913), (605, 135111), (957, 85415), (1553, 52635), (1595, 51249), (1815, 45037), (3509, 23295), (4659, 17545), (4785, 17083), (7765, 10527)]