201689019

素因数分解:

$3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{8447}}^1$

素因数の和:8839

約数の個数: 24

約数和(自身を含む): 333864960

約数和(自身を除く): 132175941

約数列:

[1, 3, 7, 9, 21, 63, 379, 1137, 2653, 3411, 7959, 8447, 23877, 25341, 59129, 76023, 177387, 532161, 3201413, 9604239, 22409891, 28812717, 67229673, 201689019]

約数ペア:

[(1, 201689019), (3, 67229673), (7, 28812717), (9, 22409891), (21, 9604239), (63, 3201413), (379, 532161), (1137, 177387), (2653, 76023), (3411, 59129), (7959, 25341), (8447, 23877)]