127221609

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1\times {\mathrm{1579}}^1$

素因数の和:1940

約数の個数: 16

約数和(自身を含む): 172005120

約数和(自身を除く): 44783511

約数列:

[1, 3, 107, 251, 321, 753, 1579, 4737, 26857, 80571, 168953, 396329, 506859, 1188987, 42407203, 127221609]

約数ペア:

[(1, 127221609), (3, 42407203), (107, 1188987), (251, 506859), (321, 396329), (753, 168953), (1579, 80571), (4737, 26857)]