16128693

素因数分解:

$3^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 28344960

約数和(自身を除く): 12216267

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 73, 147, 167, 189, 219, 441, 501, 511, 657, 1169, 1323, 1503, 1533, 1971, 3507, 3577, 4509, 4599, 8183, 10521, 10731, 12191, 13797, 24549, 31563, 32193, 36573, 73647, 85337, 96579, 109719, 220941, 256011, 329157, 597359, 768033, 1792077, 2304099, 5376231, 16128693]

約数ペア:

[(1, 16128693), (3, 5376231), (7, 2304099), (9, 1792077), (21, 768033), (27, 597359), (49, 329157), (63, 256011), (73, 220941), (147, 109719), (167, 96579), (189, 85337), (219, 73647), (441, 36573), (501, 32193), (511, 31563), (657, 24549), (1169, 13797), (1323, 12191), (1503, 10731), (1533, 10521), (1971, 8183), (3507, 4599), (3577, 4509)]