217796073

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{140423}}^1$

素因数の和:140484

約数の個数: 16

約数和(自身を含む): 323536896

約数和(自身を除く): 105740823

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 140423, 421269, 1544653, 4633959, 6599881, 19799643, 72598691, 217796073]

約数ペア:

[(1, 217796073), (3, 72598691), (11, 19799643), (33, 6599881), (47, 4633959), (141, 1544653), (517, 421269), (1551, 140423)]