289557639

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{677}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 513761280

約数和(自身を除く): 224203641

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 73, 93, 189, 217, 219, 279, 511, 651, 657, 677, 837, 1533, 1953, 1971, 2031, 2263, 4599, 4739, 5859, 6093, 6789, 13797, 14217, 15841, 18279, 20367, 20987, 42651, 47523, 49421, 61101, 62961, 127953, 142569, 146909, 148263, 188883, 345947, 427707, 440727, 444789, 566649, 1037841, 1322181, 1334367, 1532051, 3113523, 3966543, 4596153, 9340569, 10724357, 13788459, 32173071, 41365377, 96519213, 289557639]

約数ペア:

[(1, 289557639), (3, 96519213), (7, 41365377), (9, 32173071), (21, 13788459), (27, 10724357), (31, 9340569), (63, 4596153), (73, 3966543), (93, 3113523), (189, 1532051), (217, 1334367), (219, 1322181), (279, 1037841), (511, 566649), (651, 444789), (657, 440727), (677, 427707), (837, 345947), (1533, 188883), (1953, 148263), (1971, 146909), (2031, 142569), (2263, 127953), (4599, 62961), (4739, 61101), (5859, 49421), (6093, 47523), (6789, 42651), (13797, 20987), (14217, 20367), (15841, 18279)]