247030785

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2903}}^1$

素因数の和:3006

約数の個数: 48

約数和(自身を含む): 449399808

約数和(自身を除く): 202369023

約数列:

[1, 3, 5, 9, 15, 31, 45, 61, 93, 155, 183, 279, 305, 465, 549, 915, 1395, 1891, 2745, 2903, 5673, 8709, 9455, 14515, 17019, 26127, 28365, 43545, 85095, 89993, 130635, 177083, 269979, 449965, 531249, 809937, 885415, 1349895, 1593747, 2656245, 4049685, 5489573, 7968735, 16468719, 27447865, 49406157, 82343595, 247030785]

約数ペア:

[(1, 247030785), (3, 82343595), (5, 49406157), (9, 27447865), (15, 16468719), (31, 7968735), (45, 5489573), (61, 4049685), (93, 2656245), (155, 1593747), (183, 1349895), (279, 885415), (305, 809937), (465, 531249), (549, 449965), (915, 269979), (1395, 177083), (1891, 130635), (2745, 89993), (2903, 85095), (5673, 43545), (8709, 28365), (9455, 26127), (14515, 17019)]