28768983

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 13221417

約数列:

[1, 3, 19, 53, 57, 89, 107, 159, 267, 321, 1007, 1691, 2033, 3021, 4717, 5073, 5671, 6099, 9523, 14151, 17013, 28569, 89623, 107749, 180937, 268869, 323247, 504719, 542811, 1514157, 9589661, 28768983]

約数ペア:

[(1, 28768983), (3, 9589661), (19, 1514157), (53, 542811), (57, 504719), (89, 323247), (107, 268869), (159, 180937), (267, 107749), (321, 89623), (1007, 28569), (1691, 17013), (2033, 14151), (3021, 9523), (4717, 6099), (5073, 5671)]