28274961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3877}}^1$

素因数の和:3921

約数の個数: 32

約数和(自身を含む): 46908288

約数和(自身を除く): 18633327

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 3877, 7293, 11631, 42647, 50401, 65909, 127941, 151203, 197727, 554411, 724999, 856817, 1663233, 2174997, 2570451, 9424987, 28274961]

約数ペア:

[(1, 28274961), (3, 9424987), (11, 2570451), (13, 2174997), (17, 1663233), (33, 856817), (39, 724999), (51, 554411), (143, 197727), (187, 151203), (221, 127941), (429, 65909), (561, 50401), (663, 42647), (2431, 11631), (3877, 7293)]