202110021

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{1801}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 300883544

約数和(自身を除く): 98773523

約数列:

[1, 3, 9, 37, 111, 333, 337, 1011, 1801, 3033, 5403, 12469, 16209, 37407, 66637, 112221, 199911, 599733, 606937, 1820811, 5462433, 22456669, 67370007, 202110021]

約数ペア:

[(1, 202110021), (3, 67370007), (9, 22456669), (37, 5462433), (111, 1820811), (333, 606937), (337, 599733), (1011, 199911), (1801, 112221), (3033, 66637), (5403, 37407), (12469, 16209)]