287954247

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{883}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 449100288

約数和(自身を除く): 161146041

約数列:

[1, 3, 7, 21, 53, 159, 293, 371, 879, 883, 1113, 2051, 2649, 6153, 6181, 15529, 18543, 46587, 46799, 108703, 140397, 258719, 326109, 327593, 776157, 982779, 1811033, 5433099, 13712107, 41136321, 95984749, 287954247]

約数ペア:

[(1, 287954247), (3, 95984749), (7, 41136321), (21, 13712107), (53, 5433099), (159, 1811033), (293, 982779), (371, 776157), (879, 327593), (883, 326109), (1113, 258719), (2051, 140397), (2649, 108703), (6153, 46799), (6181, 46587), (15529, 18543)]