16986969

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{33113}}^1$

素因数の和:33141

約数の個数: 16

約数和(自身を含む): 26491200

約数和(自身を除く): 9504231

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 33113, 99339, 298017, 629147, 894051, 1887441, 5662323, 16986969]

約数ペア:

[(1, 16986969), (3, 5662323), (9, 1887441), (19, 894051), (27, 629147), (57, 298017), (171, 99339), (513, 33113)]