28917969

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 43234560

約数和(自身を除く): 14316591

約数列:

[1, 3, 17, 23, 51, 69, 89, 267, 277, 391, 831, 1173, 1513, 2047, 4539, 4709, 6141, 6371, 14127, 19113, 24653, 34799, 73959, 104397, 108307, 324921, 419101, 567019, 1257303, 1701057, 9639323, 28917969]

約数ペア:

[(1, 28917969), (3, 9639323), (17, 1701057), (23, 1257303), (51, 567019), (69, 419101), (89, 324921), (267, 108307), (277, 104397), (391, 73959), (831, 34799), (1173, 24653), (1513, 19113), (2047, 14127), (4539, 6371), (4709, 6141)]