28108545

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26393}}^1$

素因数の和:26472

約数の個数: 16

約数和(自身を含む): 45608832

約数和(自身を除く): 17500287

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26393, 79179, 131965, 395895, 1873903, 5621709, 9369515, 28108545]

約数ペア:

[(1, 28108545), (3, 9369515), (5, 5621709), (15, 1873903), (71, 395895), (213, 131965), (355, 79179), (1065, 26393)]