28409601

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 44323200

約数和(自身を除く): 15913599

約数列:

[1, 3, 11, 17, 33, 51, 89, 187, 267, 561, 569, 979, 1513, 1707, 2937, 4539, 6259, 9673, 16643, 18777, 29019, 49929, 50641, 106403, 151923, 319209, 557051, 860897, 1671153, 2582691, 9469867, 28409601]

約数ペア:

[(1, 28409601), (3, 9469867), (11, 2582691), (17, 1671153), (33, 860897), (51, 557051), (89, 319209), (187, 151923), (267, 106403), (561, 50641), (569, 49929), (979, 29019), (1513, 18777), (1707, 16643), (2937, 9673), (4539, 6259)]