16664481

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{8693}}^1$

素因数の和:8773

約数の個数: 16

約数和(自身を含む): 25038720

約数和(自身を除く): 8374239

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 8693, 26079, 78237, 234711, 617203, 1851609, 5554827, 16664481]

約数ペア:

[(1, 16664481), (3, 5554827), (9, 1851609), (27, 617203), (71, 234711), (213, 78237), (639, 26079), (1917, 8693)]