16265691

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 27722240

約数和(自身を除く): 11456549

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 243, 247, 271, 351, 513, 741, 813, 1053, 1539, 2223, 2439, 3159, 3523, 4617, 5149, 6669, 7317, 10569, 15447, 20007, 21951, 31707, 46341, 60021, 65853, 66937, 95121, 139023, 200811, 285363, 417069, 602433, 856089, 1251207, 1807299, 5421897, 16265691]

約数ペア:

[(1, 16265691), (3, 5421897), (9, 1807299), (13, 1251207), (19, 856089), (27, 602433), (39, 417069), (57, 285363), (81, 200811), (117, 139023), (171, 95121), (243, 66937), (247, 65853), (271, 60021), (351, 46341), (513, 31707), (741, 21951), (813, 20007), (1053, 15447), (1539, 10569), (2223, 7317), (2439, 6669), (3159, 5149), (3523, 4617)]