218197827

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{1459}}^1$

素因数の和:1688

約数の個数: 32

約数和(自身を含む): 336384000

約数和(自身を除く): 118186173

約数列:

[1, 3, 9, 27, 29, 87, 191, 261, 573, 783, 1459, 1719, 4377, 5157, 5539, 13131, 16617, 39393, 42311, 49851, 126933, 149553, 278669, 380799, 836007, 1142397, 2508021, 7524063, 8081401, 24244203, 72732609, 218197827]

約数ペア:

[(1, 218197827), (3, 72732609), (9, 24244203), (27, 8081401), (29, 7524063), (87, 2508021), (191, 1142397), (261, 836007), (573, 380799), (783, 278669), (1459, 149553), (1719, 126933), (4377, 49851), (5157, 42311), (5539, 39393), (13131, 16617)]