8389845

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2143}}^1$

素因数の和:2186

約数の個数: 32

約数和(自身を含む): 15436800

約数和(自身を除く): 7046955

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 2143, 3915, 6429, 10715, 19287, 32145, 57861, 62147, 96435, 186441, 289305, 310735, 559323, 932205, 1677969, 2796615, 8389845]

約数ペア:

[(1, 8389845), (3, 2796615), (5, 1677969), (9, 932205), (15, 559323), (27, 310735), (29, 289305), (45, 186441), (87, 96435), (135, 62147), (145, 57861), (261, 32145), (435, 19287), (783, 10715), (1305, 6429), (2143, 3915)]