9876321

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 18170880

約数和(自身を除く): 8294559

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 117, 217, 273, 279, 389, 403, 651, 819, 1167, 1209, 1953, 2723, 2821, 3501, 3627, 5057, 8169, 8463, 12059, 15171, 24507, 25389, 35399, 36177, 45513, 84413, 106197, 108531, 156767, 253239, 318591, 470301, 759717, 1097369, 1410903, 3292107, 9876321]

約数ペア:

[(1, 9876321), (3, 3292107), (7, 1410903), (9, 1097369), (13, 759717), (21, 470301), (31, 318591), (39, 253239), (63, 156767), (91, 108531), (93, 106197), (117, 84413), (217, 45513), (273, 36177), (279, 35399), (389, 25389), (403, 24507), (651, 15171), (819, 12059), (1167, 8463), (1209, 8169), (1953, 5057), (2723, 3627), (2821, 3501)]