40520265

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1213}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 69227136

約数和(自身を除く): 28706871

約数列:

[1, 3, 5, 15, 17, 51, 85, 131, 255, 393, 655, 1213, 1965, 2227, 3639, 6065, 6681, 11135, 18195, 20621, 33405, 61863, 103105, 158903, 309315, 476709, 794515, 2383545, 2701351, 8104053, 13506755, 40520265]

約数ペア:

[(1, 40520265), (3, 13506755), (5, 8104053), (15, 2701351), (17, 2383545), (51, 794515), (85, 476709), (131, 309315), (255, 158903), (393, 103105), (655, 61863), (1213, 33405), (1965, 20621), (2227, 18195), (3639, 11135), (6065, 6681)]