186720009

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{1193}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 295729920

約数和(自身を除く): 109009911

約数列:

[1, 3, 7, 21, 29, 87, 203, 257, 609, 771, 1193, 1799, 3579, 5397, 7453, 8351, 22359, 25053, 34597, 52171, 103791, 156513, 242179, 306601, 726537, 919803, 2146207, 6438621, 8891429, 26674287, 62240003, 186720009]

約数ペア:

[(1, 186720009), (3, 62240003), (7, 26674287), (21, 8891429), (29, 6438621), (87, 2146207), (203, 919803), (257, 726537), (609, 306601), (771, 242179), (1193, 156513), (1799, 103791), (3579, 52171), (5397, 34597), (7453, 25053), (8351, 22359)]