201428731

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{7309}}^1$

素因数の和:7474

約数の個数: 16

約数和(自身を含む): 239534080

約数和(自身を除く): 38105349

約数列:

[1, 7, 31, 127, 217, 889, 3937, 7309, 27559, 51163, 226579, 928243, 1586053, 6497701, 28775533, 201428731]

約数ペア:

[(1, 201428731), (7, 28775533), (31, 6497701), (127, 1586053), (217, 928243), (889, 226579), (3937, 51163), (7309, 27559)]