18149481

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{881}}^1$

素因数の和:1006

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 12896919

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 881, 981, 2289, 2643, 2943, 6167, 6867, 7929, 18501, 20601, 23787, 55503, 96029, 166509, 288087, 672203, 864261, 2016609, 2592783, 6049827, 18149481]

約数ペア:

[(1, 18149481), (3, 6049827), (7, 2592783), (9, 2016609), (21, 864261), (27, 672203), (63, 288087), (109, 166509), (189, 96029), (327, 55503), (763, 23787), (881, 20601), (981, 18501), (2289, 7929), (2643, 6867), (2943, 6167)]