205674987

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{315937}}^1$

素因数の和:315978

約数の個数: 16

約数和(自身を含む): 323520512

約数和(自身を除く): 117845525

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 315937, 947811, 2211559, 6634677, 9794047, 29382141, 68558329, 205674987]

約数ペア:

[(1, 205674987), (3, 68558329), (7, 29382141), (21, 9794047), (31, 6634677), (93, 2211559), (217, 947811), (651, 315937)]