217630275

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{152723}}^1$

素因数の和:152755

約数の個数: 24

約数和(自身を含む): 378755520

約数和(自身を除く): 161125245

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 152723, 458169, 763615, 2290845, 2901737, 3818075, 8705211, 11454225, 14508685, 43526055, 72543425, 217630275]

約数ペア:

[(1, 217630275), (3, 72543425), (5, 43526055), (15, 14508685), (19, 11454225), (25, 8705211), (57, 3818075), (75, 2901737), (95, 2290845), (285, 763615), (475, 458169), (1425, 152723)]