81721937

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1009}}^1$

素因数の和:1256

約数の個数: 16

約数和(自身を含む): 92112000

約数和(自身を除く): 10390063

約数列:

[1, 11, 37, 199, 407, 1009, 2189, 7363, 11099, 37333, 80993, 200791, 410663, 2208701, 7429267, 81721937]

約数ペア:

[(1, 81721937), (11, 7429267), (37, 2208701), (199, 410663), (407, 200791), (1009, 80993), (2189, 37333), (7363, 11099)]