381821811

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{6311}}^1$

素因数の和:6431

約数の個数: 32

約数和(自身を含む): 604336128

約数和(自身を除く): 222514317

約数列:

[1, 3, 7, 21, 43, 67, 129, 201, 301, 469, 903, 1407, 2881, 6311, 8643, 18933, 20167, 44177, 60501, 132531, 271373, 422837, 814119, 1268511, 1899611, 2959859, 5698833, 8879577, 18181991, 54545973, 127273937, 381821811]

約数ペア:

[(1, 381821811), (3, 127273937), (7, 54545973), (21, 18181991), (43, 8879577), (67, 5698833), (129, 2959859), (201, 1899611), (301, 1268511), (469, 814119), (903, 422837), (1407, 271373), (2881, 132531), (6311, 60501), (8643, 44177), (18933, 20167)]