13997817

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{479}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 21565440

約数和(自身を除く): 7567623

約数列:

[1, 3, 9, 17, 51, 153, 191, 479, 573, 1437, 1719, 3247, 4311, 8143, 9741, 24429, 29223, 73287, 91489, 274467, 823401, 1555313, 4665939, 13997817]

約数ペア:

[(1, 13997817), (3, 4665939), (9, 1555313), (17, 823401), (51, 274467), (153, 91489), (191, 73287), (479, 29223), (573, 24429), (1437, 9741), (1719, 8143), (3247, 4311)]