128584905

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{120737}}^1$

素因数の和:120816

約数の個数: 16

約数和(自身を含む): 208635264

約数和(自身を除く): 80050359

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 120737, 362211, 603685, 1811055, 8572327, 25716981, 42861635, 128584905]

約数ペア:

[(1, 128584905), (3, 42861635), (5, 25716981), (15, 8572327), (71, 1811055), (213, 603685), (355, 362211), (1065, 120737)]