439983

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 698880

約数和(自身を除く): 258897

約数列:

[1, 3, 9, 19, 31, 57, 83, 93, 171, 249, 279, 589, 747, 1577, 1767, 2573, 4731, 5301, 7719, 14193, 23157, 48887, 146661, 439983]

約数ペア:

[(1, 439983), (3, 146661), (9, 48887), (19, 23157), (31, 14193), (57, 7719), (83, 5301), (93, 4731), (171, 2573), (249, 1767), (279, 1577), (589, 747)]