51465699

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 82817280

約数和(自身を除く): 31351581

約数列:

[1, 3, 9, 19, 27, 57, 71, 81, 157, 171, 213, 243, 471, 513, 639, 1349, 1413, 1539, 1917, 2983, 4047, 4239, 4617, 5751, 8949, 11147, 12141, 12717, 17253, 26847, 33441, 36423, 38151, 80541, 100323, 109269, 211793, 241623, 300969, 327807, 635379, 724869, 902907, 1906137, 2708721, 5718411, 17155233, 51465699]

約数ペア:

[(1, 51465699), (3, 17155233), (9, 5718411), (19, 2708721), (27, 1906137), (57, 902907), (71, 724869), (81, 635379), (157, 327807), (171, 300969), (213, 241623), (243, 211793), (471, 109269), (513, 100323), (639, 80541), (1349, 38151), (1413, 36423), (1539, 33441), (1917, 26847), (2983, 17253), (4047, 12717), (4239, 12141), (4617, 11147), (5751, 8949)]