206908131

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^2\times {\mathrm{571}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 288223936

約数和(自身を除く): 81315805

約数列:

[1, 3, 43, 53, 129, 159, 571, 1713, 2279, 2809, 6837, 8427, 24553, 30263, 73659, 90789, 120787, 362361, 1301309, 1603939, 3903927, 4811817, 68969377, 206908131]

約数ペア:

[(1, 206908131), (3, 68969377), (43, 4811817), (53, 3903927), (129, 1603939), (159, 1301309), (571, 362361), (1713, 120787), (2279, 90789), (2809, 73659), (6837, 30263), (8427, 24553)]