51355143

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{28109}}^1$

素因数の和:28151

約数の個数: 24

約数和(自身を含む): 87703200

約数和(自身を除く): 36348057

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 28109, 84327, 196763, 252981, 590289, 815161, 1770867, 2445483, 5706127, 7336449, 17118381, 51355143]

約数ペア:

[(1, 51355143), (3, 17118381), (7, 7336449), (9, 5706127), (21, 2445483), (29, 1770867), (63, 815161), (87, 590289), (203, 252981), (261, 196763), (609, 84327), (1827, 28109)]