27989115

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2203}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 56281344

約数和(自身を除く): 28292229

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1815, 2203, 2541, 4235, 6609, 11015, 12705, 15421, 24233, 33045, 46263, 72699, 77105, 121165, 169631, 231315, 266563, 363495, 508893, 799689, 848155, 1332815, 1865941, 2544465, 3998445, 5597823, 9329705, 27989115]

約数ペア:

[(1, 27989115), (3, 9329705), (5, 5597823), (7, 3998445), (11, 2544465), (15, 1865941), (21, 1332815), (33, 848155), (35, 799689), (55, 508893), (77, 363495), (105, 266563), (121, 231315), (165, 169631), (231, 121165), (363, 77105), (385, 72699), (605, 46263), (847, 33045), (1155, 24233), (1815, 15421), (2203, 12705), (2541, 11015), (4235, 6609)]