31538145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{367}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 53733888

約数和(自身を除く): 22195743

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 337, 367, 1011, 1101, 1685, 1835, 5055, 5505, 5729, 6239, 17187, 18717, 28645, 31195, 85935, 93585, 123679, 371037, 618395, 1855185, 2102543, 6307629, 10512715, 31538145]

約数ペア:

[(1, 31538145), (3, 10512715), (5, 6307629), (15, 2102543), (17, 1855185), (51, 618395), (85, 371037), (255, 123679), (337, 93585), (367, 85935), (1011, 31195), (1101, 28645), (1685, 18717), (1835, 17187), (5055, 6239), (5505, 5729)]