28728777

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{124367}}^1$

素因数の和:124388

約数の個数: 16

約数和(自身を含む): 47757312

約数和(自身を除く): 19028535

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 124367, 373101, 870569, 1368037, 2611707, 4104111, 9576259, 28728777]

約数ペア:

[(1, 28728777), (3, 9576259), (7, 4104111), (11, 2611707), (21, 1368037), (33, 870569), (77, 373101), (231, 124367)]