210629565

素因数分解:

$3^4\times 5^1\times {\mathrm{520073}}^1$

素因数の和:520090

約数の個数: 20

約数和(自身を含む): 377573724

約数和(自身を除く): 166944159

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 520073, 1560219, 2600365, 4680657, 7801095, 14041971, 23403285, 42125913, 70209855, 210629565]

約数ペア:

[(1, 210629565), (3, 70209855), (5, 42125913), (9, 23403285), (15, 14041971), (27, 7801095), (45, 4680657), (81, 2600365), (135, 1560219), (405, 520073)]