179964747

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{33161}}^1$

素因数の和:33240

約数の個数: 20

約数和(自身を含む): 272856936

約数和(自身を除く): 92892189

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 33161, 99483, 298449, 895347, 2221787, 2686041, 6665361, 19996083, 59988249, 179964747]

約数ペア:

[(1, 179964747), (3, 59988249), (9, 19996083), (27, 6665361), (67, 2686041), (81, 2221787), (201, 895347), (603, 298449), (1809, 99483), (5427, 33161)]