51892029

素因数分解:

$3^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 91035840

約数和(自身を除く): 39143811

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 147, 183, 189, 427, 441, 549, 643, 1281, 1323, 1647, 1929, 2989, 3843, 4501, 5787, 8967, 11529, 13503, 17361, 26901, 31507, 39223, 40509, 80703, 94521, 117669, 121527, 274561, 283563, 353007, 823683, 850689, 1059021, 1921927, 2471049, 5765781, 7413147, 17297343, 51892029]

約数ペア:

[(1, 51892029), (3, 17297343), (7, 7413147), (9, 5765781), (21, 2471049), (27, 1921927), (49, 1059021), (61, 850689), (63, 823683), (147, 353007), (183, 283563), (189, 274561), (427, 121527), (441, 117669), (549, 94521), (643, 80703), (1281, 40509), (1323, 39223), (1647, 31507), (1929, 26901), (2989, 17361), (3843, 13503), (4501, 11529), (5787, 8967)]