16875621

素因数分解:

$3^6\times 7^1\times {\mathrm{3307}}^1$

素因数の和:3332

約数の個数: 28

約数和(自身を含む): 28925152

約数和(自身を除く): 12049531

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3307, 5103, 9921, 23149, 29763, 69447, 89289, 208341, 267867, 625023, 803601, 1875069, 2410803, 5625207, 16875621]

約数ペア:

[(1, 16875621), (3, 5625207), (7, 2410803), (9, 1875069), (21, 803601), (27, 625023), (63, 267867), (81, 208341), (189, 89289), (243, 69447), (567, 29763), (729, 23149), (1701, 9921), (3307, 5103)]