28122159

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{11821}}^1$

素因数の和:11898

約数の個数: 16

約数和(自身を含む): 41045984

約数和(自身を除く): 12923825

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 11821, 35463, 153673, 461019, 721081, 2163243, 9374053, 28122159]

約数ペア:

[(1, 28122159), (3, 9374053), (13, 2163243), (39, 721081), (61, 461019), (183, 153673), (793, 35463), (2379, 11821)]