271878145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{1291}}^1$

素因数の和:1861

約数の個数: 32

約数和(自身を含む): 407817216

約数和(自身を除く): 135939071

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 547, 1291, 2735, 3829, 6017, 6455, 9037, 14201, 19145, 30085, 42119, 45185, 71005, 99407, 210595, 497035, 706177, 3530885, 4943239, 7767947, 24716195, 38839735, 54375629, 271878145]

約数ペア:

[(1, 271878145), (5, 54375629), (7, 38839735), (11, 24716195), (35, 7767947), (55, 4943239), (77, 3530885), (385, 706177), (547, 497035), (1291, 210595), (2735, 99407), (3829, 71005), (6017, 45185), (6455, 42119), (9037, 30085), (14201, 19145)]