16412781

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 27491328

約数和(自身を除く): 11078547

約数列:

[1, 3, 7, 11, 21, 33, 77, 227, 231, 313, 681, 939, 1589, 2191, 2497, 3443, 4767, 6573, 7491, 10329, 17479, 24101, 52437, 71051, 72303, 213153, 497357, 781561, 1492071, 2344683, 5470927, 16412781]

約数ペア:

[(1, 16412781), (3, 5470927), (7, 2344683), (11, 1492071), (21, 781561), (33, 497357), (77, 213153), (227, 72303), (231, 71051), (313, 52437), (681, 24101), (939, 17479), (1589, 10329), (2191, 7491), (2497, 6573), (3443, 4767)]