201321141

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{222947}}^1$

素因数の和:223000

約数の個数: 16

約数和(自身を含む): 313910784

約数和(自身を除く): 112589643

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 222947, 668841, 1560629, 4681887, 9586721, 28760163, 67107047, 201321141]

約数ペア:

[(1, 201321141), (3, 67107047), (7, 28760163), (21, 9586721), (43, 4681887), (129, 1560629), (301, 668841), (903, 222947)]