28509459

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 15969261

約数列:

[1, 3, 11, 17, 33, 51, 89, 187, 267, 561, 571, 979, 1513, 1713, 2937, 4539, 6281, 9707, 16643, 18843, 29121, 49929, 50819, 106777, 152457, 320331, 559009, 863923, 1677027, 2591769, 9503153, 28509459]

約数ペア:

[(1, 28509459), (3, 9503153), (11, 2591769), (17, 1677027), (33, 863923), (51, 559009), (89, 320331), (187, 152457), (267, 106777), (561, 50819), (571, 49929), (979, 29121), (1513, 18843), (1713, 16643), (2937, 9707), (4539, 6281)]