28981857

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 39352320

約数和(自身を除く): 10370463

約数列:

[1, 3, 83, 239, 249, 487, 717, 1461, 19837, 40421, 59511, 116393, 121263, 349179, 9660619, 28981857]

約数ペア:

[(1, 28981857), (3, 9660619), (83, 349179), (239, 121263), (249, 116393), (487, 59511), (717, 40421), (1461, 19837)]