1978749

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 3144960

約数和(自身を除く): 1166211

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 479, 1377, 1437, 4131, 4311, 8143, 12933, 24429, 38799, 73287, 116397, 219861, 659583, 1978749]

約数ペア:

[(1, 1978749), (3, 659583), (9, 219861), (17, 116397), (27, 73287), (51, 38799), (81, 24429), (153, 12933), (243, 8143), (459, 4311), (479, 4131), (1377, 1437)]