1209439

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 16

約数和(自身を含む): 1532160

約数和(自身を除く): 322721

約数列:

[1, 7, 11, 77, 113, 139, 791, 973, 1243, 1529, 8701, 10703, 15707, 109949, 172777, 1209439]

約数ペア:

[(1, 1209439), (7, 172777), (11, 109949), (77, 15707), (113, 10703), (139, 8701), (791, 1529), (973, 1243)]