1338157431

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{672779}}^1$

素因数の和:672815

約数の個数: 24

約数和(自身を含む): 2204027280

約数和(自身を除く): 865869849

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 672779, 2018337, 6055011, 8746127, 11437243, 26238381, 34311729, 78715143, 102935187, 148684159, 446052477, 1338157431]

約数ペア:

[(1, 1338157431), (3, 446052477), (9, 148684159), (13, 102935187), (17, 78715143), (39, 34311729), (51, 26238381), (117, 11437243), (153, 8746127), (221, 6055011), (663, 2018337), (1989, 672779)]