25300647

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 39840000

約数和(自身を除く): 14539353

約数列:

[1, 3, 9, 19, 27, 57, 149, 171, 331, 447, 513, 993, 1341, 2831, 2979, 4023, 6289, 8493, 8937, 18867, 25479, 49319, 56601, 76437, 147957, 169803, 443871, 937061, 1331613, 2811183, 8433549, 25300647]

約数ペア:

[(1, 25300647), (3, 8433549), (9, 2811183), (19, 1331613), (27, 937061), (57, 443871), (149, 169803), (171, 147957), (331, 76437), (447, 56601), (513, 49319), (993, 25479), (1341, 18867), (2831, 8937), (2979, 8493), (4023, 6289)]