210519945

素因数分解:

$3^3\times 5^1\times {\mathrm{1559407}}^1$

素因数の和:1559421

約数の個数: 16

約数和(自身を含む): 374257920

約数和(自身を除く): 163737975

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1559407, 4678221, 7797035, 14034663, 23391105, 42103989, 70173315, 210519945]

約数ペア:

[(1, 210519945), (3, 70173315), (5, 42103989), (9, 23391105), (15, 14034663), (27, 7797035), (45, 4678221), (135, 1559407)]