297738721

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{1997}}^1$

素因数の和:2101

約数の個数: 24

約数和(自身を含む): 365394240

約数和(自身を除く): 67655519

約数列:

[1, 7, 19, 59, 133, 361, 413, 1121, 1997, 2527, 7847, 13979, 21299, 37943, 117823, 149093, 265601, 720917, 824761, 2238637, 5046419, 15670459, 42534103, 297738721]

約数ペア:

[(1, 297738721), (7, 42534103), (19, 15670459), (59, 5046419), (133, 2238637), (361, 824761), (413, 720917), (1121, 265601), (1997, 149093), (2527, 117823), (7847, 37943), (13979, 21299)]