28897683

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 40877760

約数和(自身を除く): 11980077

約数列:

[1, 3, 23, 69, 131, 139, 393, 417, 529, 1587, 3013, 3197, 9039, 9591, 18209, 54627, 69299, 73531, 207897, 220593, 418807, 1256421, 9632561, 28897683]

約数ペア:

[(1, 28897683), (3, 9632561), (23, 1256421), (69, 418807), (131, 220593), (139, 207897), (393, 73531), (417, 69299), (529, 54627), (1587, 18209), (3013, 9591), (3197, 9039)]