12141857

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 20

約数和(自身を含む): 15293460

約数和(自身を除く): 3151603

約数列:

[1, 7, 13, 49, 91, 343, 389, 637, 2401, 2723, 4459, 5057, 19061, 31213, 35399, 133427, 247793, 933989, 1734551, 12141857]

約数ペア:

[(1, 12141857), (7, 1734551), (13, 933989), (49, 247793), (91, 133427), (343, 35399), (389, 31213), (637, 19061), (2401, 5057), (2723, 4459)]