209864529

素因数分解:

$3^2\times 7^1\times {\mathrm{617}}^1\times {\mathrm{5399}}^1$

素因数の和:6029

約数の個数: 24

約数和(自身を含む): 347068800

約数和(自身を除く): 137204271

約数列:

[1, 3, 7, 9, 21, 63, 617, 1851, 4319, 5399, 5553, 12957, 16197, 37793, 38871, 48591, 113379, 340137, 3331183, 9993549, 23318281, 29980647, 69954843, 209864529]

約数ペア:

[(1, 209864529), (3, 69954843), (7, 29980647), (9, 23318281), (21, 9993549), (63, 3331183), (617, 340137), (1851, 113379), (4319, 48591), (5399, 38871), (5553, 37793), (12957, 16197)]