381909969

素因数分解:

$3^2\times 7^2\times {\mathrm{866009}}^1$

素因数の和:866029

約数の個数: 18

約数和(自身を含む): 641713410

約数和(自身を除く): 259803441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 866009, 2598027, 6062063, 7794081, 18186189, 42434441, 54558567, 127303323, 381909969]

約数ペア:

[(1, 381909969), (3, 127303323), (7, 54558567), (9, 42434441), (21, 18186189), (49, 7794081), (63, 6062063), (147, 2598027), (441, 866009)]