15921081

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2203}}^1$

素因数の和:2293

約数の個数: 24

約数和(自身を含む): 25442976

約数和(自身を除く): 9521895

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2203, 2409, 6609, 7227, 19827, 24233, 72699, 160819, 218097, 482457, 1447371, 1769009, 5307027, 15921081]

約数ペア:

[(1, 15921081), (3, 5307027), (9, 1769009), (11, 1447371), (33, 482457), (73, 218097), (99, 160819), (219, 72699), (657, 24233), (803, 19827), (2203, 7227), (2409, 6609)]