15859389

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 27246912

約数和(自身を除く): 11387523

約数列:

[1, 3, 7, 13, 21, 39, 43, 49, 91, 129, 147, 193, 273, 301, 559, 579, 637, 903, 1351, 1677, 1911, 2107, 2509, 3913, 4053, 6321, 7527, 8299, 9457, 11739, 17563, 24897, 27391, 28371, 52689, 58093, 82173, 107887, 122941, 174279, 323661, 368823, 406651, 755209, 1219953, 2265627, 5286463, 15859389]

約数ペア:

[(1, 15859389), (3, 5286463), (7, 2265627), (13, 1219953), (21, 755209), (39, 406651), (43, 368823), (49, 323661), (91, 174279), (129, 122941), (147, 107887), (193, 82173), (273, 58093), (301, 52689), (559, 28371), (579, 27391), (637, 24897), (903, 17563), (1351, 11739), (1677, 9457), (1911, 8299), (2107, 7527), (2509, 6321), (3913, 4053)]