213426009

素因数分解:

$3^4\times {\mathrm{397}}^1\times {\mathrm{6637}}^1$

素因数の和:7046

約数の個数: 20

約数和(自身を含む): 319672804

約数和(自身を除く): 106246795

約数列:

[1, 3, 9, 27, 81, 397, 1191, 3573, 6637, 10719, 19911, 32157, 59733, 179199, 537597, 2634889, 7904667, 23714001, 71142003, 213426009]

約数ペア:

[(1, 213426009), (3, 71142003), (9, 23714001), (27, 7904667), (81, 2634889), (397, 537597), (1191, 179199), (3573, 59733), (6637, 32157), (10719, 19911)]