15791181

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 26593920

約数和(自身を除く): 10802739

約数列:

[1, 3, 7, 17, 21, 49, 51, 71, 89, 119, 147, 213, 267, 357, 497, 623, 833, 1207, 1491, 1513, 1869, 2499, 3479, 3621, 4361, 4539, 6319, 8449, 10437, 10591, 13083, 18957, 25347, 31773, 44233, 59143, 74137, 107423, 132699, 177429, 222411, 309631, 322269, 751961, 928893, 2255883, 5263727, 15791181]

約数ペア:

[(1, 15791181), (3, 5263727), (7, 2255883), (17, 928893), (21, 751961), (49, 322269), (51, 309631), (71, 222411), (89, 177429), (119, 132699), (147, 107423), (213, 74137), (267, 59143), (357, 44233), (497, 31773), (623, 25347), (833, 18957), (1207, 13083), (1491, 10591), (1513, 10437), (1869, 8449), (2499, 6319), (3479, 4539), (3621, 4361)]