2531193

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 4000032

約数和(自身を除く): 1468839

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 257, 469, 771, 1407, 1799, 3283, 5397, 9849, 12593, 17219, 37779, 51657, 120533, 361599, 843731, 2531193]

約数ペア:

[(1, 2531193), (3, 843731), (7, 361599), (21, 120533), (49, 51657), (67, 37779), (147, 17219), (201, 12593), (257, 9849), (469, 5397), (771, 3283), (1407, 1799)]