191361261

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{6551}}^1$

素因数の和:6681

約数の個数: 32

約数和(自身を含む): 317011968

約数和(自身を除く): 125650707

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 749, 1391, 2247, 4173, 6551, 9737, 19653, 29211, 45857, 85163, 137571, 255489, 596141, 700957, 1788423, 2102871, 4906699, 9112441, 14720097, 27337323, 63787087, 191361261]

約数ペア:

[(1, 191361261), (3, 63787087), (7, 27337323), (13, 14720097), (21, 9112441), (39, 4906699), (91, 2102871), (107, 1788423), (273, 700957), (321, 596141), (749, 255489), (1391, 137571), (2247, 85163), (4173, 45857), (6551, 29211), (9737, 19653)]