51346521

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 78144000

約数和(自身を除く): 26797479

約数列:

[1, 3, 9, 27, 73, 109, 219, 239, 327, 657, 717, 981, 1971, 2151, 2943, 6453, 7957, 17447, 23871, 26051, 52341, 71613, 78153, 157023, 214839, 234459, 471069, 703377, 1901723, 5705169, 17115507, 51346521]

約数ペア:

[(1, 51346521), (3, 17115507), (9, 5705169), (27, 1901723), (73, 703377), (109, 471069), (219, 234459), (239, 214839), (327, 157023), (657, 78153), (717, 71613), (981, 52341), (1971, 26051), (2151, 23871), (2943, 17447), (6453, 7957)]