81985437

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^2$

素因数の和:274

約数の個数: 36

約数和(自身を含む): 128581440

約数和(自身を除く): 46596003

約数列:

[1, 3, 9, 19, 47, 57, 101, 141, 171, 303, 423, 893, 909, 1919, 2679, 4747, 5757, 8037, 10201, 14241, 17271, 30603, 42723, 90193, 91809, 193819, 270579, 479447, 581457, 811737, 1438341, 1744371, 4315023, 9109493, 27328479, 81985437]

約数ペア:

[(1, 81985437), (3, 27328479), (9, 9109493), (19, 4315023), (47, 1744371), (57, 1438341), (101, 811737), (141, 581457), (171, 479447), (303, 270579), (423, 193819), (893, 91809), (909, 90193), (1919, 42723), (2679, 30603), (4747, 17271), (5757, 14241), (8037, 10201)]