3937983

素因数分解:

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

素因数の和:156

約数の個数: 32

約数和(自身を含む): 6336000

約数和(自身を除く): 2398017

約数列:

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

約数ペア:

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