161285265

素因数分解:

$3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{20023}}^1$

素因数の和:20213

約数の個数: 24

約数和(自身を含む): 281136960

約数和(自身を除く): 119851695

約数列:

[1, 3, 5, 9, 15, 45, 179, 537, 895, 1611, 2685, 8055, 20023, 60069, 100115, 180207, 300345, 901035, 3584117, 10752351, 17920585, 32257053, 53761755, 161285265]

約数ペア:

[(1, 161285265), (3, 53761755), (5, 32257053), (9, 17920585), (15, 10752351), (45, 3584117), (179, 901035), (537, 300345), (895, 180207), (1611, 100115), (2685, 60069), (8055, 20023)]