81818901759

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1\times {\mathrm{90203}}^1$

素因数の和:91179

約数の個数: 32

約数和(自身を含む): 127469076480

約数和(自身を除く): 45650174721

約数列:

[1, 3, 7, 21, 47, 141, 329, 919, 987, 2757, 6433, 19299, 43193, 90203, 129579, 270609, 302351, 631421, 907053, 1894263, 4239541, 12718623, 29676787, 82896557, 89030361, 248689671, 580275899, 1740827697, 3896138179, 11688414537, 27272967253, 81818901759]

約数ペア:

[(1, 81818901759), (3, 27272967253), (7, 11688414537), (21, 3896138179), (47, 1740827697), (141, 580275899), (329, 248689671), (919, 89030361), (987, 82896557), (2757, 29676787), (6433, 12718623), (19299, 4239541), (43193, 1894263), (90203, 907053), (129579, 631421), (270609, 302351)]