81705525

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1021}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 149032128

約数和(自身を除く): 67326603

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 97, 165, 275, 291, 485, 825, 1021, 1067, 1455, 2425, 3063, 3201, 5105, 5335, 7275, 11231, 15315, 16005, 25525, 26675, 33693, 56155, 76575, 80025, 99037, 168465, 280775, 297111, 495185, 842325, 1089407, 1485555, 2475925, 3268221, 5447035, 7427775, 16341105, 27235175, 81705525]

約数ペア:

[(1, 81705525), (3, 27235175), (5, 16341105), (11, 7427775), (15, 5447035), (25, 3268221), (33, 2475925), (55, 1485555), (75, 1089407), (97, 842325), (165, 495185), (275, 297111), (291, 280775), (485, 168465), (825, 99037), (1021, 80025), (1067, 76575), (1455, 56155), (2425, 33693), (3063, 26675), (3201, 25525), (5105, 16005), (5335, 15315), (7275, 11231)]