278340507

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{4957}}^1$

素因数の和:5347

約数の個数: 24

約数和(自身を含む): 426943296

約数和(自身を除く): 148602789

約数列:

[1, 3, 9, 17, 51, 153, 367, 1101, 3303, 4957, 6239, 14871, 18717, 44613, 56151, 84269, 252807, 758421, 1819219, 5457657, 16372971, 30926723, 92780169, 278340507]

約数ペア:

[(1, 278340507), (3, 92780169), (9, 30926723), (17, 16372971), (51, 5457657), (153, 1819219), (367, 758421), (1101, 252807), (3303, 84269), (4957, 56151), (6239, 44613), (14871, 18717)]