27997641

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12011}}^1$

素因数の和:12061

約数の個数: 24

約数和(自身を含む): 47471424

約数和(自身を除く): 19473783

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 12011, 36033, 84077, 108099, 252231, 444407, 756693, 1333221, 3110849, 3999663, 9332547, 27997641]

約数ペア:

[(1, 27997641), (3, 9332547), (7, 3999663), (9, 3110849), (21, 1333221), (37, 756693), (63, 444407), (111, 252231), (259, 108099), (333, 84077), (777, 36033), (2331, 12011)]