215028801

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{108109}}^1$

素因数の和:108145

約数の個数: 24

約数和(自身を含む): 354168360

約数和(自身を除く): 139139559

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 108109, 324327, 972981, 1405417, 1837853, 4216251, 5513559, 12648753, 16540677, 23892089, 71676267, 215028801]

約数ペア:

[(1, 215028801), (3, 71676267), (9, 23892089), (13, 16540677), (17, 12648753), (39, 5513559), (51, 4216251), (117, 1837853), (153, 1405417), (221, 972981), (663, 324327), (1989, 108109)]