51369129

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4139}}^1$

素因数の和:4349

約数の個数: 24

約数和(自身を含む): 85250880

約数和(自身を除く): 33881751

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1773, 4137, 4139, 12411, 12417, 28973, 37251, 86919, 260757, 815383, 2446149, 5707681, 7338447, 17123043, 51369129]

約数ペア:

[(1, 51369129), (3, 17123043), (7, 7338447), (9, 5707681), (21, 2446149), (63, 815383), (197, 260757), (591, 86919), (1379, 37251), (1773, 28973), (4137, 12417), (4139, 12411)]