81821557

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2011}}^1$

素因数の和:2124

約数の個数: 16

約数和(自身を含む): 89815680

約数和(自身を除く): 7994123

約数列:

[1, 23, 29, 61, 667, 1403, 1769, 2011, 40687, 46253, 58319, 122671, 1341337, 2821433, 3557459, 81821557]

約数ペア:

[(1, 81821557), (23, 3557459), (29, 2821433), (61, 1341337), (667, 122671), (1403, 58319), (1769, 46253), (2011, 40687)]