28683711

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 51517440

約数和(自身を除く): 22833729

約数列:

[1, 3, 7, 9, 19, 21, 31, 57, 63, 93, 133, 171, 217, 279, 399, 589, 651, 773, 1197, 1767, 1953, 2319, 4123, 5301, 5411, 6957, 12369, 14687, 16233, 23963, 37107, 44061, 48699, 71889, 102809, 132183, 167741, 215667, 308427, 455297, 503223, 925281, 1365891, 1509669, 3187079, 4097673, 9561237, 28683711]

約数ペア:

[(1, 28683711), (3, 9561237), (7, 4097673), (9, 3187079), (19, 1509669), (21, 1365891), (31, 925281), (57, 503223), (63, 455297), (93, 308427), (133, 215667), (171, 167741), (217, 132183), (279, 102809), (399, 71889), (589, 48699), (651, 44061), (773, 37107), (1197, 23963), (1767, 16233), (1953, 14687), (2319, 12369), (4123, 6957), (5301, 5411)]