221365381

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{1621}}^1$

素因数の和:1944

約数の個数: 16

約数和(自身を含む): 243494640

約数和(自身を除く): 22129259

約数列:

[1, 17, 29, 277, 493, 1621, 4709, 8033, 27557, 47009, 136561, 449017, 799153, 7633289, 13021493, 221365381]

約数ペア:

[(1, 221365381), (17, 13021493), (29, 7633289), (277, 799153), (493, 449017), (1621, 136561), (4709, 47009), (8033, 27557)]