7780563

素因数分解:

$3^3\times 7^2\times {\mathrm{5881}}^1$

素因数の和:5904

約数の個数: 24

約数和(自身を含む): 13410960

約数和(自身を除く): 5630397

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 5881, 17643, 41167, 52929, 123501, 158787, 288169, 370503, 864507, 1111509, 2593521, 7780563]

約数ペア:

[(1, 7780563), (3, 2593521), (7, 1111509), (9, 864507), (21, 370503), (27, 288169), (49, 158787), (63, 123501), (147, 52929), (189, 41167), (441, 17643), (1323, 5881)]