201721887

素因数分解:

$3^3\times {\mathrm{383}}^1\times {\mathrm{19507}}^1$

素因数の和:19899

約数の個数: 16

約数和(自身を含む): 299642880

約数和(自身を除く): 97920993

約数列:

[1, 3, 9, 27, 383, 1149, 3447, 10341, 19507, 58521, 175563, 526689, 7471181, 22413543, 67240629, 201721887]

約数ペア:

[(1, 201721887), (3, 67240629), (9, 22413543), (27, 7471181), (383, 526689), (1149, 175563), (3447, 58521), (10341, 19507)]