28152189

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:338

約数の個数: 36

約数和(自身を含む): 44763264

約数和(自身を除く): 16611075

約数列:

[1, 3, 9, 13, 39, 83, 117, 169, 223, 249, 507, 669, 747, 1079, 1521, 2007, 2899, 3237, 8697, 9711, 14027, 18509, 26091, 37687, 42081, 55527, 113061, 126243, 166581, 240617, 339183, 721851, 2165553, 3128021, 9384063, 28152189]

約数ペア:

[(1, 28152189), (3, 9384063), (9, 3128021), (13, 2165553), (39, 721851), (83, 339183), (117, 240617), (169, 166581), (223, 126243), (249, 113061), (507, 55527), (669, 42081), (747, 37687), (1079, 26091), (1521, 18509), (2007, 14027), (2899, 9711), (3237, 8697)]