2051226849

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1375739}}^1$

素因数の和:1375820

約数の個数: 16

約数和(自身を含む): 3169704960

約数和(自身を除く): 1118478111

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1375739, 4127217, 9630173, 28890519, 97677469, 293032407, 683742283, 2051226849]

約数ペア:

[(1, 2051226849), (3, 683742283), (7, 293032407), (21, 97677469), (71, 28890519), (213, 9630173), (497, 4127217), (1491, 1375739)]