28013559

素因数分解:

$3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{2971}}^1$

素因数の和:3430

約数の個数: 16

約数和(自身を含む): 42796800

約数和(自身を除く): 14783241

約数列:

[1, 3, 7, 21, 449, 1347, 2971, 3143, 8913, 9429, 20797, 62391, 1333979, 4001937, 9337853, 28013559]

約数ペア:

[(1, 28013559), (3, 9337853), (7, 4001937), (21, 1333979), (449, 62391), (1347, 20797), (2971, 9429), (3143, 8913)]