16745211

素因数分解:

$3^4\times 7^2\times {\mathrm{4219}}^1$

素因数の和:4245

約数の個数: 30

約数和(自身を含む): 29105340

約数和(自身を除く): 12360129

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4219, 12657, 29533, 37971, 88599, 113913, 206731, 265797, 341739, 620193, 797391, 1860579, 2392173, 5581737, 16745211]

約数ペア:

[(1, 16745211), (3, 5581737), (7, 2392173), (9, 1860579), (21, 797391), (27, 620193), (49, 341739), (63, 265797), (81, 206731), (147, 113913), (189, 88599), (441, 37971), (567, 29533), (1323, 12657), (3969, 4219)]