72208719

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6571}}^1$

素因数の和:6628

約数の個数: 32

約数和(自身を含む): 119873280

約数和(自身を除く): 47664561

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 3663, 6571, 10989, 19713, 59139, 72281, 177417, 216843, 243127, 650529, 729381, 1951587, 2188143, 2674397, 6564429, 8023191, 24069573, 72208719]

約数ペア:

[(1, 72208719), (3, 24069573), (9, 8023191), (11, 6564429), (27, 2674397), (33, 2188143), (37, 1951587), (99, 729381), (111, 650529), (297, 243127), (333, 216843), (407, 177417), (999, 72281), (1221, 59139), (3663, 19713), (6571, 10989)]