142172639

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{1429}}^1$

素因数の和:1730

約数の個数: 16

約数和(自身を含む): 165971520

約数和(自身を除く): 23798881

約数列:

[1, 7, 61, 233, 427, 1429, 1631, 10003, 14213, 87169, 99491, 332957, 610183, 2330699, 20310377, 142172639]

約数ペア:

[(1, 142172639), (7, 20310377), (61, 2330699), (233, 610183), (427, 332957), (1429, 99491), (1631, 87169), (10003, 14213)]