28443513

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71287}}^1$

素因数の和:71316

約数の個数: 16

約数和(自身を含む): 45624320

約数和(自身を除く): 17180807

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 71287, 213861, 499009, 1354453, 1497027, 4063359, 9481171, 28443513]

約数ペア:

[(1, 28443513), (3, 9481171), (7, 4063359), (19, 1497027), (21, 1354453), (57, 499009), (133, 213861), (399, 71287)]