81108921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 119968128

約数和(自身を除く): 38859207

約数列:

[1, 3, 17, 37, 51, 53, 111, 159, 629, 811, 901, 1887, 1961, 2433, 2703, 5883, 13787, 30007, 33337, 41361, 42983, 90021, 100011, 128949, 510119, 730711, 1530357, 1590371, 2192133, 4771113, 27036307, 81108921]

約数ペア:

[(1, 81108921), (3, 27036307), (17, 4771113), (37, 2192133), (51, 1590371), (53, 1530357), (111, 730711), (159, 510119), (629, 128949), (811, 100011), (901, 90021), (1887, 42983), (1961, 41361), (2433, 33337), (2703, 30007), (5883, 13787)]