213738315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107137}}^1$

素因数の和:107171

約数の個数: 32

約数和(自身を含む): 411409920

約数和(自身を除く): 197671605

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 107137, 321411, 535685, 749959, 1607055, 2035603, 2249877, 3749795, 6106809, 10178015, 11249385, 14249221, 30534045, 42747663, 71246105, 213738315]

約数ペア:

[(1, 213738315), (3, 71246105), (5, 42747663), (7, 30534045), (15, 14249221), (19, 11249385), (21, 10178015), (35, 6106809), (57, 3749795), (95, 2249877), (105, 2035603), (133, 1607055), (285, 749959), (399, 535685), (665, 321411), (1995, 107137)]