53553171

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 84536320

約数和(自身を除く): 30983149

約数列:

[1, 3, 7, 21, 37, 111, 157, 259, 439, 471, 777, 1099, 1317, 3073, 3297, 5809, 9219, 16243, 17427, 40663, 48729, 68923, 113701, 121989, 206769, 341103, 482461, 1447383, 2550151, 7650453, 17851057, 53553171]

約数ペア:

[(1, 53553171), (3, 17851057), (7, 7650453), (21, 2550151), (37, 1447383), (111, 482461), (157, 341103), (259, 206769), (439, 121989), (471, 113701), (777, 68923), (1099, 48729), (1317, 40663), (3073, 17427), (3297, 16243), (5809, 9219)]