12881883

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 20574720

約数和(自身を除く): 7692837

約数列:

[1, 3, 7, 21, 37, 59, 111, 177, 259, 281, 413, 777, 843, 1239, 1967, 2183, 5901, 6549, 10397, 15281, 16579, 31191, 45843, 49737, 72779, 116053, 218337, 348159, 613423, 1840269, 4293961, 12881883]

約数ペア:

[(1, 12881883), (3, 4293961), (7, 1840269), (21, 613423), (37, 348159), (59, 218337), (111, 116053), (177, 72779), (259, 49737), (281, 45843), (413, 31191), (777, 16579), (843, 15281), (1239, 10397), (1967, 6549), (2183, 5901)]