81818985

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{133039}}^1$

素因数の和:133088

約数の個数: 16

約数和(自身を含む): 134104320

約数和(自身を除く): 52285335

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 133039, 399117, 665195, 1995585, 5454599, 16363797, 27272995, 81818985]

約数ペア:

[(1, 81818985), (3, 27272995), (5, 16363797), (15, 5454599), (41, 1995585), (123, 665195), (205, 399117), (615, 133039)]