18095217

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 29230080

約数和(自身を除く): 11134863

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 691, 903, 1247, 2073, 3741, 4837, 8729, 14511, 20039, 26187, 29713, 60117, 89139, 140273, 207991, 420819, 623973, 861677, 2585031, 6031739, 18095217]

約数ペア:

[(1, 18095217), (3, 6031739), (7, 2585031), (21, 861677), (29, 623973), (43, 420819), (87, 207991), (129, 140273), (203, 89139), (301, 60117), (609, 29713), (691, 26187), (903, 20039), (1247, 14511), (2073, 8729), (3741, 4837)]