81787086

素因数分解:

$2^1\times 3^2\times {\mathrm{1999}}^1\times {\mathrm{2273}}^1$

素因数の和:4280

約数の個数: 24

約数和(自身を含む): 177372000

約数和(自身を除く): 95584914

約数列:

[1, 2, 3, 6, 9, 18, 1999, 2273, 3998, 4546, 5997, 6819, 11994, 13638, 17991, 20457, 35982, 40914, 4543727, 9087454, 13631181, 27262362, 40893543, 81787086]

約数ペア:

[(1, 81787086), (2, 40893543), (3, 27262362), (6, 13631181), (9, 9087454), (18, 4543727), (1999, 40914), (2273, 35982), (3998, 20457), (4546, 17991), (5997, 13638), (6819, 11994)]