165719981

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{2381}}^1$

素因数の和:2612

約数の個数: 16

約数和(自身を含む): 193761408

約数和(自身を除く): 28041427

約数列:

[1, 7, 61, 163, 427, 1141, 2381, 9943, 16667, 69601, 145241, 388103, 1016687, 2716721, 23674283, 165719981]

約数ペア:

[(1, 165719981), (7, 23674283), (61, 2716721), (163, 1016687), (427, 388103), (1141, 145241), (2381, 69601), (9943, 16667)]