210006531

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{16921}}^1$

素因数の和:17131

約数の個数: 24

約数和(自身を含む): 348457824

約数和(自身を除く): 138451293

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1773, 4137, 12411, 16921, 50763, 118447, 152289, 355341, 1066023, 3333437, 10000311, 23334059, 30000933, 70002177, 210006531]

約数ペア:

[(1, 210006531), (3, 70002177), (7, 30000933), (9, 23334059), (21, 10000311), (63, 3333437), (197, 1066023), (591, 355341), (1379, 152289), (1773, 118447), (4137, 50763), (12411, 16921)]