205117521

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{514079}}^1$

素因数の和:514108

約数の個数: 16

約数和(自身を含む): 329011200

約数和(自身を除く): 123893679

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 514079, 1542237, 3598553, 9767501, 10795659, 29302503, 68372507, 205117521]

約数ペア:

[(1, 205117521), (3, 68372507), (7, 29302503), (19, 10795659), (21, 9767501), (57, 3598553), (133, 1542237), (399, 514079)]