51810921

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{15601}}^1$

素因数の和:15654

約数の個数: 20

約数和(自身を含む): 79289364

約数和(自身を除く): 27478443

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 15601, 46803, 140409, 421227, 639641, 1263681, 1918923, 5756769, 17270307, 51810921]

約数ペア:

[(1, 51810921), (3, 17270307), (9, 5756769), (27, 1918923), (41, 1263681), (81, 639641), (123, 421227), (369, 140409), (1107, 46803), (3321, 15601)]