1387985391

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{2609}}^1\times {\mathrm{4547}}^1$

素因数の和:7175

約数の個数: 24

約数和(自身を含む): 2160390960

約数和(自身を除く): 772405569

約数列:

[1, 3, 9, 13, 39, 117, 2609, 4547, 7827, 13641, 23481, 33917, 40923, 59111, 101751, 177333, 305253, 531999, 11863123, 35589369, 106768107, 154220599, 462661797, 1387985391]

約数ペア:

[(1, 1387985391), (3, 462661797), (9, 154220599), (13, 106768107), (39, 35589369), (117, 11863123), (2609, 531999), (4547, 305253), (7827, 177333), (13641, 101751), (23481, 59111), (33917, 40923)]