13158477

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 20480000

約数和(自身を除く): 7321523

約数列:

[1, 3, 9, 27, 31, 79, 93, 199, 237, 279, 597, 711, 837, 1791, 2133, 2449, 5373, 6169, 7347, 15721, 18507, 22041, 47163, 55521, 66123, 141489, 166563, 424467, 487351, 1462053, 4386159, 13158477]

約数ペア:

[(1, 13158477), (3, 4386159), (9, 1462053), (27, 487351), (31, 424467), (79, 166563), (93, 141489), (199, 66123), (237, 55521), (279, 47163), (597, 22041), (711, 18507), (837, 15721), (1791, 7347), (2133, 6169), (2449, 5373)]