25615401

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1493}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 42071040

約数和(自身を除く): 16455639

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 1493, 2451, 4479, 5719, 10451, 17157, 28367, 31353, 64199, 85101, 192597, 198569, 449393, 595707, 1219781, 1348179, 3659343, 8538467, 25615401]

約数ペア:

[(1, 25615401), (3, 8538467), (7, 3659343), (19, 1348179), (21, 1219781), (43, 595707), (57, 449393), (129, 198569), (133, 192597), (301, 85101), (399, 64199), (817, 31353), (903, 28367), (1493, 17157), (2451, 10451), (4479, 5719)]