497795139

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{361507}}^1$

素因数の和:361536

約数の個数: 20

約数和(自身を含む): 787364424

約数和(自身を除く): 289569285

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 361507, 1084521, 3253563, 6145619, 9760689, 18436857, 29282067, 55310571, 165931713, 497795139]

約数ペア:

[(1, 497795139), (3, 165931713), (9, 55310571), (17, 29282067), (27, 18436857), (51, 9760689), (81, 6145619), (153, 3253563), (459, 1084521), (1377, 361507)]