16998555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 33592320

約数和(自身を除く): 16593765

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 89, 105, 107, 119, 255, 267, 321, 357, 445, 535, 595, 623, 749, 1335, 1513, 1605, 1785, 1819, 1869, 2247, 3115, 3745, 4539, 5457, 7565, 9095, 9345, 9523, 10591, 11235, 12733, 22695, 27285, 28569, 31773, 38199, 47615, 52955, 63665, 66661, 142845, 158865, 161891, 190995, 199983, 333305, 485673, 809455, 999915, 1133237, 2428365, 3399711, 5666185, 16998555]

約数ペア:

[(1, 16998555), (3, 5666185), (5, 3399711), (7, 2428365), (15, 1133237), (17, 999915), (21, 809455), (35, 485673), (51, 333305), (85, 199983), (89, 190995), (105, 161891), (107, 158865), (119, 142845), (255, 66661), (267, 63665), (321, 52955), (357, 47615), (445, 38199), (535, 31773), (595, 28569), (623, 27285), (749, 22695), (1335, 12733), (1513, 11235), (1605, 10591), (1785, 9523), (1819, 9345), (1869, 9095), (2247, 7565), (3115, 5457), (3745, 4539)]