2857911

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 4666368

約数和(自身を除く): 1808457

約数列:

[1, 3, 7, 21, 23, 61, 69, 97, 161, 183, 291, 427, 483, 679, 1281, 1403, 2037, 2231, 4209, 5917, 6693, 9821, 15617, 17751, 29463, 41419, 46851, 124257, 136091, 408273, 952637, 2857911]

約数ペア:

[(1, 2857911), (3, 952637), (7, 408273), (21, 136091), (23, 124257), (61, 46851), (69, 41419), (97, 29463), (161, 17751), (183, 15617), (291, 9821), (427, 6693), (483, 5917), (679, 4209), (1281, 2231), (1403, 2037)]