8161587

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 14592000

約数和(自身を除く): 6430413

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 199, 217, 279, 441, 597, 651, 837, 1323, 1393, 1519, 1791, 1953, 4179, 4557, 5373, 5859, 6169, 9751, 12537, 13671, 18507, 29253, 37611, 41013, 43183, 55521, 87759, 129549, 166563, 263277, 302281, 388647, 906843, 1165941, 2720529, 8161587]

約数ペア:

[(1, 8161587), (3, 2720529), (7, 1165941), (9, 906843), (21, 388647), (27, 302281), (31, 263277), (49, 166563), (63, 129549), (93, 87759), (147, 55521), (189, 43183), (199, 41013), (217, 37611), (279, 29253), (441, 18507), (597, 13671), (651, 12537), (837, 9751), (1323, 6169), (1393, 5859), (1519, 5373), (1791, 4557), (1953, 4179)]