16247721

素因数分解:

$3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1693}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 24827264

約数和(自身を除く): 8579543

約数列:

[1, 3, 7, 21, 457, 1371, 1693, 3199, 5079, 9597, 11851, 35553, 773701, 2321103, 5415907, 16247721]

約数ペア:

[(1, 16247721), (3, 5415907), (7, 2321103), (21, 773701), (457, 35553), (1371, 11851), (1693, 9597), (3199, 5079)]