2503389

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 4091904

約数和(自身を除く): 1588515

約数列:

[1, 3, 7, 21, 23, 69, 71, 73, 161, 213, 219, 483, 497, 511, 1491, 1533, 1633, 1679, 4899, 5037, 5183, 11431, 11753, 15549, 34293, 35259, 36281, 108843, 119209, 357627, 834463, 2503389]

約数ペア:

[(1, 2503389), (3, 834463), (7, 357627), (21, 119209), (23, 108843), (69, 36281), (71, 35259), (73, 34293), (161, 15549), (213, 11753), (219, 11431), (483, 5183), (497, 5037), (511, 4899), (1491, 1679), (1533, 1633)]