202181721

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{310571}}^1$

素因数の和:310612

約数の個数: 16

約数和(自身を含む): 318025728

約数和(自身を除く): 115844007

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 310571, 931713, 2173997, 6521991, 9627701, 28883103, 67393907, 202181721]

約数ペア:

[(1, 202181721), (3, 67393907), (7, 28883103), (21, 9627701), (31, 6521991), (93, 2173997), (217, 931713), (651, 310571)]