217325871

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{84137}}^1$

素因数の和:84191

約数の個数: 24

約数和(自身を含む): 367514784

約数和(自身を除く): 150188913

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 84137, 252411, 588959, 757233, 1766877, 3449617, 5300631, 10348851, 24147319, 31046553, 72441957, 217325871]

約数ペア:

[(1, 217325871), (3, 72441957), (7, 31046553), (9, 24147319), (21, 10348851), (41, 5300631), (63, 3449617), (123, 1766877), (287, 757233), (369, 588959), (861, 252411), (2583, 84137)]