247650045

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{2897}}^1$

素因数の和:3085

約数の個数: 32

約数和(自身を含む): 408965760

約数和(自身を除く): 161315715

約数列:

[1, 3, 5, 15, 41, 123, 139, 205, 417, 615, 695, 2085, 2897, 5699, 8691, 14485, 17097, 28495, 43455, 85485, 118777, 356331, 402683, 593885, 1208049, 1781655, 2013415, 6040245, 16510003, 49530009, 82550015, 247650045]

約数ペア:

[(1, 247650045), (3, 82550015), (5, 49530009), (15, 16510003), (41, 6040245), (123, 2013415), (139, 1781655), (205, 1208049), (417, 593885), (615, 402683), (695, 356331), (2085, 118777), (2897, 85485), (5699, 43455), (8691, 28495), (14485, 17097)]