15785523

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 26906880

約数和(自身を除く): 11121357

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 243, 247, 263, 351, 513, 741, 789, 1053, 1539, 2223, 2367, 3159, 3419, 4617, 4997, 6669, 7101, 10257, 14991, 20007, 21303, 30771, 44973, 60021, 63909, 64961, 92313, 134919, 194883, 276939, 404757, 584649, 830817, 1214271, 1753947, 5261841, 15785523]

約数ペア:

[(1, 15785523), (3, 5261841), (9, 1753947), (13, 1214271), (19, 830817), (27, 584649), (39, 404757), (57, 276939), (81, 194883), (117, 134919), (171, 92313), (243, 64961), (247, 63909), (263, 60021), (351, 44973), (513, 30771), (741, 21303), (789, 20007), (1053, 14991), (1539, 10257), (2223, 7101), (2367, 6669), (3159, 4997), (3419, 4617)]