28428579

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2003}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 43767360

約数和(自身を除く): 15338781

約数列:

[1, 3, 9, 19, 57, 83, 171, 249, 747, 1577, 2003, 4731, 6009, 14193, 18027, 38057, 114171, 166249, 342513, 498747, 1496241, 3158731, 9476193, 28428579]

約数ペア:

[(1, 28428579), (3, 9476193), (9, 3158731), (19, 1496241), (57, 498747), (83, 342513), (171, 166249), (249, 114171), (747, 38057), (1577, 18027), (2003, 14193), (4731, 6009)]