71980635

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{643}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 122411520

約数和(自身を除く): 50430885

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 439, 643, 1317, 1929, 2195, 3215, 6585, 7463, 9645, 10931, 22389, 32793, 37315, 54655, 111945, 163965, 282277, 846831, 1411385, 4234155, 4798709, 14396127, 23993545, 71980635]

約数ペア:

[(1, 71980635), (3, 23993545), (5, 14396127), (15, 4798709), (17, 4234155), (51, 1411385), (85, 846831), (255, 282277), (439, 163965), (643, 111945), (1317, 54655), (1929, 37315), (2195, 32793), (3215, 22389), (6585, 10931), (7463, 9645)]