17638479

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 40

約数和(自身を含む): 28294640

約数和(自身を除く): 10656161

約数列:

[1, 3, 9, 19, 27, 57, 73, 81, 157, 171, 219, 471, 513, 657, 1387, 1413, 1539, 1971, 2983, 4161, 4239, 5913, 8949, 11461, 12483, 12717, 26847, 34383, 37449, 80541, 103149, 112347, 217759, 241623, 309447, 653277, 928341, 1959831, 5879493, 17638479]

約数ペア:

[(1, 17638479), (3, 5879493), (9, 1959831), (19, 928341), (27, 653277), (57, 309447), (73, 241623), (81, 217759), (157, 112347), (171, 103149), (219, 80541), (471, 37449), (513, 34383), (657, 26847), (1387, 12717), (1413, 12483), (1539, 11461), (1971, 8949), (2983, 5913), (4161, 4239)]