71218191

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1619}}^1$

素因数の和:1707

約数の個数: 32

約数和(自身を含む): 109486080

約数和(自身を除く): 38267889

約数列:

[1, 3, 11, 31, 33, 43, 93, 129, 341, 473, 1023, 1333, 1419, 1619, 3999, 4857, 14663, 17809, 43989, 50189, 53427, 69617, 150567, 208851, 552079, 765787, 1656237, 2158127, 2297361, 6474381, 23739397, 71218191]

約数ペア:

[(1, 71218191), (3, 23739397), (11, 6474381), (31, 2297361), (33, 2158127), (43, 1656237), (93, 765787), (129, 552079), (341, 208851), (473, 150567), (1023, 69617), (1333, 53427), (1419, 50189), (1619, 43989), (3999, 17809), (4857, 14663)]