27997385

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1949}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 38539800

約数和(自身を除く): 10542415

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 1949, 2873, 9745, 14365, 25337, 33133, 126685, 165665, 329381, 430729, 1646905, 2153645, 5599477, 27997385]

約数ペア:

[(1, 27997385), (5, 5599477), (13, 2153645), (17, 1646905), (65, 430729), (85, 329381), (169, 165665), (221, 126685), (845, 33133), (1105, 25337), (1949, 14365), (2873, 9745)]