16718157

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 56

約数和(自身を含む): 28330560

約数和(自身を除く): 11612403

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 71, 81, 153, 171, 213, 243, 323, 459, 513, 639, 729, 969, 1207, 1349, 1377, 1539, 1917, 2907, 3621, 4047, 4131, 4617, 5751, 8721, 10863, 12141, 12393, 13851, 17253, 22933, 26163, 32589, 36423, 51759, 68799, 78489, 97767, 109269, 206397, 235467, 293301, 327807, 619191, 879903, 983421, 1857573, 5572719, 16718157]

約数ペア:

[(1, 16718157), (3, 5572719), (9, 1857573), (17, 983421), (19, 879903), (27, 619191), (51, 327807), (57, 293301), (71, 235467), (81, 206397), (153, 109269), (171, 97767), (213, 78489), (243, 68799), (323, 51759), (459, 36423), (513, 32589), (639, 26163), (729, 22933), (969, 17253), (1207, 13851), (1349, 12393), (1377, 12141), (1539, 10863), (1917, 8721), (2907, 5751), (3621, 4617), (4047, 4131)]