13686729

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 21811200

約数和(自身を除く): 8124471

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 283, 329, 343, 849, 987, 1029, 1981, 2303, 5943, 6909, 13301, 13867, 16121, 39903, 41601, 48363, 93107, 97069, 279321, 291207, 651749, 1955247, 4562243, 13686729]

約数ペア:

[(1, 13686729), (3, 4562243), (7, 1955247), (21, 651749), (47, 291207), (49, 279321), (141, 97069), (147, 93107), (283, 48363), (329, 41601), (343, 39903), (849, 16121), (987, 13867), (1029, 13301), (1981, 6909), (2303, 5943)]