204882021

素因数分解:

$3^3\times {\mathrm{389}}^1\times {\mathrm{19507}}^1$

素因数の和:19905

約数の個数: 16

約数和(自身を含む): 304324800

約数和(自身を除く): 99442779

約数列:

[1, 3, 9, 27, 389, 1167, 3501, 10503, 19507, 58521, 175563, 526689, 7588223, 22764669, 68294007, 204882021]

約数ペア:

[(1, 204882021), (3, 68294007), (9, 22764669), (27, 7588223), (389, 526689), (1167, 175563), (3501, 58521), (10503, 19507)]