28354671

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{6689}}^1$

素因数の和:6855

約数の個数: 16

約数和(自身を含む): 42280800

約数和(自身を除く): 13926129

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 6689, 20067, 60201, 180603, 1050173, 3150519, 9451557, 28354671]

約数ペア:

[(1, 28354671), (3, 9451557), (9, 3150519), (27, 1050173), (157, 180603), (471, 60201), (1413, 20067), (4239, 6689)]