25236981

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 47616000

約数和(自身を除く): 22379019

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 61, 63, 77, 99, 183, 189, 199, 231, 297, 427, 549, 597, 671, 693, 1281, 1393, 1647, 1791, 2013, 2079, 2189, 3843, 4179, 4697, 5373, 6039, 6567, 11529, 12139, 12537, 14091, 15323, 18117, 19701, 36417, 37611, 42273, 45969, 59103, 84973, 109251, 126819, 133529, 137907, 254919, 327753, 400587, 413721, 764757, 934703, 1201761, 2294271, 2804109, 3605283, 8412327, 25236981]

約数ペア:

[(1, 25236981), (3, 8412327), (7, 3605283), (9, 2804109), (11, 2294271), (21, 1201761), (27, 934703), (33, 764757), (61, 413721), (63, 400587), (77, 327753), (99, 254919), (183, 137907), (189, 133529), (199, 126819), (231, 109251), (297, 84973), (427, 59103), (549, 45969), (597, 42273), (671, 37611), (693, 36417), (1281, 19701), (1393, 18117), (1647, 15323), (1791, 14091), (2013, 12537), (2079, 12139), (2189, 11529), (3843, 6567), (4179, 6039), (4697, 5373)]