1871181

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1777}}^1$

素因数の和:1802

約数の個数: 20

約数和(自身を含む): 3011932

約数和(自身を除く): 1140751

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1777, 5331, 15993, 23101, 47979, 69303, 143937, 207909, 623727, 1871181]

約数ペア:

[(1, 1871181), (3, 623727), (9, 207909), (13, 143937), (27, 69303), (39, 47979), (81, 23101), (117, 15993), (351, 5331), (1053, 1777)]