51513399

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 90135552

約数和(自身を除く): 38622153

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 73, 161, 207, 219, 483, 487, 511, 657, 1449, 1461, 1533, 1679, 3409, 4383, 4599, 5037, 10227, 11201, 11753, 15111, 30681, 33603, 35259, 35551, 78407, 100809, 105777, 106653, 235221, 248857, 319959, 705663, 746571, 817673, 2239713, 2453019, 5723711, 7359057, 17171133, 51513399]

約数ペア:

[(1, 51513399), (3, 17171133), (7, 7359057), (9, 5723711), (21, 2453019), (23, 2239713), (63, 817673), (69, 746571), (73, 705663), (161, 319959), (207, 248857), (219, 235221), (483, 106653), (487, 105777), (511, 100809), (657, 78407), (1449, 35551), (1461, 35259), (1533, 33603), (1679, 30681), (3409, 15111), (4383, 11753), (4599, 11201), (5037, 10227)]