18381249

素因数分解:

$3^5\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 27969760

約数和(自身を除く): 9588511

約数列:

[1, 3, 9, 27, 67, 81, 201, 243, 603, 1129, 1809, 3387, 5427, 10161, 16281, 30483, 75643, 91449, 226929, 274347, 680787, 2042361, 6127083, 18381249]

約数ペア:

[(1, 18381249), (3, 6127083), (9, 2042361), (27, 680787), (67, 274347), (81, 226929), (201, 91449), (243, 75643), (603, 30483), (1129, 16281), (1809, 10161), (3387, 5427)]