17438751

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 29552640

約数和(自身を除く): 12113889

約数列:

[1, 3, 9, 11, 19, 33, 57, 73, 99, 127, 171, 209, 219, 381, 627, 657, 803, 1143, 1387, 1397, 1881, 2409, 2413, 4161, 4191, 7227, 7239, 9271, 12483, 12573, 15257, 21717, 26543, 27813, 45771, 79629, 83439, 101981, 137313, 176149, 238887, 305943, 528447, 917829, 1585341, 1937639, 5812917, 17438751]

約数ペア:

[(1, 17438751), (3, 5812917), (9, 1937639), (11, 1585341), (19, 917829), (33, 528447), (57, 305943), (73, 238887), (99, 176149), (127, 137313), (171, 101981), (209, 83439), (219, 79629), (381, 45771), (627, 27813), (657, 26543), (803, 21717), (1143, 15257), (1387, 12573), (1397, 12483), (1881, 9271), (2409, 7239), (2413, 7227), (4161, 4191)]