199977057

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67537}}^1$

素因数の和:67597

約数の個数: 24

約数和(自身を含む): 337149696

約数和(自身を除く): 137172639

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 67537, 202611, 472759, 607833, 1418277, 3174239, 4254831, 9522717, 22219673, 28568151, 66659019, 199977057]

約数ペア:

[(1, 199977057), (3, 66659019), (7, 28568151), (9, 22219673), (21, 9522717), (47, 4254831), (63, 3174239), (141, 1418277), (329, 607833), (423, 472759), (987, 202611), (2961, 67537)]