13318347

素因数分解:

$3^1\times 7^4\times {\mathrm{43}}^2$

素因数の和:117

約数の個数: 30

約数和(自身を含む): 21209172

約数和(自身を除く): 7890825

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 343, 903, 1029, 1849, 2107, 2401, 5547, 6321, 7203, 12943, 14749, 38829, 44247, 90601, 103243, 271803, 309729, 634207, 1902621, 4439449, 13318347]

約数ペア:

[(1, 13318347), (3, 4439449), (7, 1902621), (21, 634207), (43, 309729), (49, 271803), (129, 103243), (147, 90601), (301, 44247), (343, 38829), (903, 14749), (1029, 12943), (1849, 7203), (2107, 6321), (2401, 5547)]