28406079

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{80929}}^1$

素因数の和:80951

約数の個数: 16

約数和(自身を含む): 45320800

約数和(自身を除く): 16914721

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 80929, 242787, 728361, 1052077, 2185083, 3156231, 9468693, 28406079]

約数ペア:

[(1, 28406079), (3, 9468693), (9, 3156231), (13, 2185083), (27, 1052077), (39, 728361), (117, 242787), (351, 80929)]