398661321

素因数分解:

$3^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1\times {\mathrm{1327}}^1$

素因数の和:1988

約数の個数: 16

約数和(自身を含む): 535449600

約数和(自身を除く): 136788279

約数列:

[1, 3, 239, 419, 717, 1257, 1327, 3981, 100141, 300423, 317153, 556013, 951459, 1668039, 132887107, 398661321]

約数ペア:

[(1, 398661321), (3, 132887107), (239, 1668039), (419, 951459), (717, 556013), (1257, 317153), (1327, 300423), (3981, 100141)]