12123139

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 15234048

約数和(自身を除く): 3110909

約数列:

[1, 7, 23, 31, 49, 161, 217, 347, 713, 1127, 1519, 2429, 4991, 7981, 10757, 17003, 34937, 55867, 75299, 247411, 391069, 527093, 1731877, 12123139]

約数ペア:

[(1, 12123139), (7, 1731877), (23, 527093), (31, 391069), (49, 247411), (161, 75299), (217, 55867), (347, 34937), (713, 17003), (1127, 10757), (1519, 7981), (2429, 4991)]