1309091

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:250

約数の個数: 16

約数和(自身を含む): 1603584

約数和(自身を除く): 294493

約数列:

[1, 7, 23, 47, 161, 173, 329, 1081, 1211, 3979, 7567, 8131, 27853, 56917, 187013, 1309091]

約数ペア:

[(1, 1309091), (7, 187013), (23, 56917), (47, 27853), (161, 8131), (173, 7567), (329, 3979), (1081, 1211)]