2157127

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:371

約数の個数: 16

約数和(自身を含む): 2656000

約数和(自身を除く): 498873

約数列:

[1, 7, 19, 49, 133, 331, 343, 931, 2317, 6289, 6517, 16219, 44023, 113533, 308161, 2157127]

約数ペア:

[(1, 2157127), (7, 308161), (19, 113533), (49, 44023), (133, 16219), (331, 6517), (343, 6289), (931, 2317)]