207664509

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{280249}}^1$

素因数の和:280284

約数の個数: 16

約数和(自身を含む): 313880000

約数和(自身を除く): 106215491

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 280249, 840747, 3643237, 5324731, 10929711, 15974193, 69221503, 207664509]

約数ペア:

[(1, 207664509), (3, 69221503), (13, 15974193), (19, 10929711), (39, 5324731), (57, 3643237), (247, 840747), (741, 280249)]