251017083

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{197807}}^1$

素因数の和:197863

約数の個数: 16

約数和(自身を含む): 379791360

約数和(自身を除く): 128774277

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 197807, 593421, 1780263, 5340789, 9296929, 27890787, 83672361, 251017083]

約数ペア:

[(1, 251017083), (3, 83672361), (9, 27890787), (27, 9296929), (47, 5340789), (141, 1780263), (423, 593421), (1269, 197807)]