81965715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{22123}}^1$

素因数の和:22163

約数の個数: 32

約数和(自身を含む): 148673280

約数和(自身を除く): 66707565

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 22123, 66369, 110615, 287599, 331845, 420337, 862797, 1261011, 1437995, 2101685, 4313985, 5464381, 6305055, 16393143, 27321905, 81965715]

約数ペア:

[(1, 81965715), (3, 27321905), (5, 16393143), (13, 6305055), (15, 5464381), (19, 4313985), (39, 2101685), (57, 1437995), (65, 1261011), (95, 862797), (195, 420337), (247, 331845), (285, 287599), (741, 110615), (1235, 66369), (3705, 22123)]