25949763

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 54

約数和(自身を含む): 46300644

約数和(自身を除く): 20350881

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 163, 171, 361, 399, 441, 489, 931, 1083, 1141, 1197, 1467, 2527, 2793, 3097, 3249, 3423, 7581, 7987, 8379, 9291, 10269, 17689, 21679, 22743, 23961, 27873, 53067, 58843, 65037, 71883, 151753, 159201, 176529, 195111, 411901, 455259, 529587, 1235703, 1365777, 2883307, 3707109, 8649921, 25949763]

約数ペア:

[(1, 25949763), (3, 8649921), (7, 3707109), (9, 2883307), (19, 1365777), (21, 1235703), (49, 529587), (57, 455259), (63, 411901), (133, 195111), (147, 176529), (163, 159201), (171, 151753), (361, 71883), (399, 65037), (441, 58843), (489, 53067), (931, 27873), (1083, 23961), (1141, 22743), (1197, 21679), (1467, 17689), (2527, 10269), (2793, 9291), (3097, 8379), (3249, 7987), (3423, 7581)]