12121977

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15601}}^1$

素因数の和:15648

約数の個数: 16

約数和(自身を含む): 18972032

約数和(自身を除く): 6850055

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 15601, 46803, 109207, 327621, 577237, 1731711, 4040659, 12121977]

約数ペア:

[(1, 12121977), (3, 4040659), (7, 1731711), (21, 577237), (37, 327621), (111, 109207), (259, 46803), (777, 15601)]