51569091

素因数分解:

$3^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1277}}^1$

素因数の和:1931

約数の個数: 24

約数和(自身を含む): 85329504

約数和(自身を除く): 33760413

約数列:

[1, 3, 7, 9, 21, 63, 641, 1277, 1923, 3831, 4487, 5769, 8939, 11493, 13461, 26817, 40383, 80451, 818557, 2455671, 5729899, 7367013, 17189697, 51569091]

約数ペア:

[(1, 51569091), (3, 17189697), (7, 7367013), (9, 5729899), (21, 2455671), (63, 818557), (641, 80451), (1277, 40383), (1923, 26817), (3831, 13461), (4487, 11493), (5769, 8939)]