2171729

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 24

約数和(自身を含む): 2757888

約数和(自身を除く): 586159

約数列:

[1, 7, 23, 41, 47, 49, 161, 287, 329, 943, 1081, 1127, 1927, 2009, 2303, 6601, 7567, 13489, 44321, 46207, 52969, 94423, 310247, 2171729]

約数ペア:

[(1, 2171729), (7, 310247), (23, 94423), (41, 52969), (47, 46207), (49, 44321), (161, 13489), (287, 7567), (329, 6601), (943, 2303), (1081, 2009), (1127, 1927)]