15721824141

素因数分解:

$3^3\times {\mathrm{257}}^1\times {\mathrm{823}}^1\times {\mathrm{2753}}^1$

素因数の和:3842

約数の個数: 32

約数和(自身を含む): 23419134720

約数和(自身を除く): 7697310579

約数列:

[1, 3, 9, 27, 257, 771, 823, 2313, 2469, 2753, 6939, 7407, 8259, 22221, 24777, 74331, 211511, 634533, 707521, 1903599, 2122563, 2265719, 5710797, 6367689, 6797157, 19103067, 20391471, 61174413, 582289783, 1746869349, 5240608047, 15721824141]

約数ペア:

[(1, 15721824141), (3, 5240608047), (9, 1746869349), (27, 582289783), (257, 61174413), (771, 20391471), (823, 19103067), (2313, 6797157), (2469, 6367689), (2753, 5710797), (6939, 2265719), (7407, 2122563), (8259, 1903599), (22221, 707521), (24777, 634533), (74331, 211511)]