25209333

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 39689600

約数和(自身を除く): 14480267

約数列:

[1, 3, 9, 19, 27, 57, 157, 171, 313, 471, 513, 939, 1413, 2817, 2983, 4239, 5947, 8451, 8949, 17841, 26847, 49141, 53523, 80541, 147423, 160569, 442269, 933679, 1326807, 2801037, 8403111, 25209333]

約数ペア:

[(1, 25209333), (3, 8403111), (9, 2801037), (19, 1326807), (27, 933679), (57, 442269), (157, 160569), (171, 147423), (313, 80541), (471, 53523), (513, 49141), (939, 26847), (1413, 17841), (2817, 8949), (2983, 8451), (4239, 5947)]