144739

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 16

約数和(自身を含む): 184320

約数和(自身を除く): 39581

約数列:

[1, 7, 23, 29, 31, 161, 203, 217, 667, 713, 899, 4669, 4991, 6293, 20677, 144739]

約数ペア:

[(1, 144739), (7, 20677), (23, 6293), (29, 4991), (31, 4669), (161, 899), (203, 713), (217, 667)]