28801227

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{105499}}^1$

素因数の和:105522

約数の個数: 16

約数和(自身を含む): 47264000

約数和(自身を除く): 18462773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 105499, 316497, 738493, 1371487, 2215479, 4114461, 9600409, 28801227]

約数ペア:

[(1, 28801227), (3, 9600409), (7, 4114461), (13, 2215479), (21, 1371487), (39, 738493), (91, 316497), (273, 105499)]