17481681

素因数分解:

$3^2\times 7^4\times {\mathrm{809}}^1$

素因数の和:843

約数の個数: 30

約数和(自身を含む): 29494530

約数和(自身を除く): 12012849

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 809, 1029, 2401, 2427, 3087, 5663, 7203, 7281, 16989, 21609, 39641, 50967, 118923, 277487, 356769, 832461, 1942409, 2497383, 5827227, 17481681]

約数ペア:

[(1, 17481681), (3, 5827227), (7, 2497383), (9, 1942409), (21, 832461), (49, 356769), (63, 277487), (147, 118923), (343, 50967), (441, 39641), (809, 21609), (1029, 16989), (2401, 7281), (2427, 7203), (3087, 5663)]