28298187

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{15643}}^1$

素因数の和:15719

約数の個数: 16

約数和(自身を含む): 42551680

約数和(自身を除く): 14253493

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 15643, 46929, 140787, 422361, 1048081, 3144243, 9432729, 28298187]

約数ペア:

[(1, 28298187), (3, 9432729), (9, 3144243), (27, 1048081), (67, 422361), (201, 140787), (603, 46929), (1809, 15643)]