28861365

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1663}}^1$

素因数の和:1773

約数の個数: 32

約数和(自身を含む): 50319360

約数和(自身を除く): 21457995

約数列:

[1, 3, 5, 13, 15, 39, 65, 89, 195, 267, 445, 1157, 1335, 1663, 3471, 4989, 5785, 8315, 17355, 21619, 24945, 64857, 108095, 148007, 324285, 444021, 740035, 1924091, 2220105, 5772273, 9620455, 28861365]

約数ペア:

[(1, 28861365), (3, 9620455), (5, 5772273), (13, 2220105), (15, 1924091), (39, 740035), (65, 444021), (89, 324285), (195, 148007), (267, 108095), (445, 64857), (1157, 24945), (1335, 21619), (1663, 17355), (3471, 8315), (4989, 5785)]