1288654311

素因数分解:

$3^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{121997}}^1$

素因数の和:122510

約数の個数: 16

約数和(自身を含む): 1967583744

約数和(自身を除く): 678929433

約数列:

[1, 3, 7, 21, 503, 1509, 3521, 10563, 121997, 365991, 853979, 2561937, 61364491, 184093473, 429551437, 1288654311]

約数ペア:

[(1, 1288654311), (3, 429551437), (7, 184093473), (21, 61364491), (503, 2561937), (1509, 853979), (3521, 365991), (10563, 121997)]