421651321

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9323}}^1$

素因数の和:9421

約数の個数: 24

約数和(自身を含む): 535719744

約数和(自身を除く): 114068423

約数列:

[1, 7, 13, 49, 71, 91, 497, 637, 923, 3479, 6461, 9323, 45227, 65261, 121199, 456827, 661933, 848393, 4633531, 5938751, 8605129, 32434717, 60235903, 421651321]

約数ペア:

[(1, 421651321), (7, 60235903), (13, 32434717), (49, 8605129), (71, 5938751), (91, 4633531), (497, 848393), (637, 661933), (923, 456827), (3479, 121199), (6461, 65261), (9323, 45227)]