17772993

素因数分解:

$3^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 30289920

約数和(自身を除く): 12516927

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 271, 347, 813, 1041, 1897, 2429, 2439, 3123, 5691, 7287, 7317, 9369, 17073, 21861, 51219, 65583, 94037, 282111, 658259, 846333, 1974777, 2538999, 5924331, 17772993]

約数ペア:

[(1, 17772993), (3, 5924331), (7, 2538999), (9, 1974777), (21, 846333), (27, 658259), (63, 282111), (189, 94037), (271, 65583), (347, 51219), (813, 21861), (1041, 17073), (1897, 9369), (2429, 7317), (2439, 7287), (3123, 5691)]