1387225539

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{468499}}^1$

素因数の和:468559

約数の個数: 24

約数和(自身を含む): 2338752000

約数和(自身を除く): 951526461

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 468499, 1405497, 3279493, 4216491, 9838479, 22019453, 29515437, 66058359, 154136171, 198175077, 462408513, 1387225539]

約数ペア:

[(1, 1387225539), (3, 462408513), (7, 198175077), (9, 154136171), (21, 66058359), (47, 29515437), (63, 22019453), (141, 9838479), (329, 4216491), (423, 3279493), (987, 1405497), (2961, 468499)]