289880181

素因数分解:

$3^3\times {\mathrm{197}}^1\times {\mathrm{54499}}^1$

素因数の和:54705

約数の個数: 16

約数和(自身を含む): 431640000

約数和(自身を除く): 141759819

約数列:

[1, 3, 9, 27, 197, 591, 1773, 5319, 54499, 163497, 490491, 1471473, 10736303, 32208909, 96626727, 289880181]

約数ペア:

[(1, 289880181), (3, 96626727), (9, 32208909), (27, 10736303), (197, 1471473), (591, 490491), (1773, 163497), (5319, 54499)]