25127823

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 40919040

約数和(自身を除く): 15791217

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 887, 1349, 1491, 2661, 4047, 6209, 9443, 16853, 18627, 28329, 50559, 62977, 117971, 188931, 353913, 440839, 1196563, 1322517, 3589689, 8375941, 25127823]

約数ペア:

[(1, 25127823), (3, 8375941), (7, 3589689), (19, 1322517), (21, 1196563), (57, 440839), (71, 353913), (133, 188931), (213, 117971), (399, 62977), (497, 50559), (887, 28329), (1349, 18627), (1491, 16853), (2661, 9443), (4047, 6209)]