29121921495

素因数分解:

$3^4\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{36007}}^1$

素因数の和:38021

約数の個数: 40

約数和(自身を含む): 52231332384

約数和(自身を除く): 23109410889

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1997, 5991, 9985, 17973, 29955, 36007, 53919, 89865, 108021, 161757, 180035, 269595, 324063, 540105, 808785, 972189, 1620315, 2916567, 4860945, 14582835, 71905979, 215717937, 359529895, 647153811, 1078589685, 1941461433, 3235769055, 5824384299, 9707307165, 29121921495]

約数ペア:

[(1, 29121921495), (3, 9707307165), (5, 5824384299), (9, 3235769055), (15, 1941461433), (27, 1078589685), (45, 647153811), (81, 359529895), (135, 215717937), (405, 71905979), (1997, 14582835), (5991, 4860945), (9985, 2916567), (17973, 1620315), (29955, 972189), (36007, 808785), (53919, 540105), (89865, 324063), (108021, 269595), (161757, 180035)]