25499691

素因数分解:

$3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:307

約数の個数: 56

約数和(自身を含む): 46168320

約数和(自身を除く): 20668629

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 263, 399, 513, 567, 729, 789, 1197, 1539, 1701, 1841, 2367, 3591, 4617, 4997, 5103, 5523, 7101, 10773, 13851, 14991, 16569, 21303, 32319, 34979, 44973, 49707, 63909, 96957, 104937, 134919, 149121, 191727, 314811, 404757, 447363, 944433, 1214271, 1342089, 2833299, 3642813, 8499897, 25499691]

約数ペア:

[(1, 25499691), (3, 8499897), (7, 3642813), (9, 2833299), (19, 1342089), (21, 1214271), (27, 944433), (57, 447363), (63, 404757), (81, 314811), (133, 191727), (171, 149121), (189, 134919), (243, 104937), (263, 96957), (399, 63909), (513, 49707), (567, 44973), (729, 34979), (789, 32319), (1197, 21303), (1539, 16569), (1701, 14991), (1841, 13851), (2367, 10773), (3591, 7101), (4617, 5523), (4997, 5103)]