27565881

素因数分解:

$3^1\times 7^4\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 40

約数和(自身を含む): 44367840

約数和(自身を除く): 16801959

約数列:

[1, 3, 7, 21, 43, 49, 89, 129, 147, 267, 301, 343, 623, 903, 1029, 1869, 2107, 2401, 3827, 4361, 6321, 7203, 11481, 13083, 14749, 26789, 30527, 44247, 80367, 91581, 103243, 187523, 213689, 309729, 562569, 641067, 1312661, 3937983, 9188627, 27565881]

約数ペア:

[(1, 27565881), (3, 9188627), (7, 3937983), (21, 1312661), (43, 641067), (49, 562569), (89, 309729), (129, 213689), (147, 187523), (267, 103243), (301, 91581), (343, 80367), (623, 44247), (903, 30527), (1029, 26789), (1869, 14749), (2107, 13083), (2401, 11481), (3827, 7203), (4361, 6321)]