12288591

素因数分解:

$3^4\times 7^1\times {\mathrm{21673}}^1$

素因数の和:21692

約数の個数: 20

約数和(自身を含む): 20980432

約数和(自身を除く): 8691841

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21673, 65019, 151711, 195057, 455133, 585171, 1365399, 1755513, 4096197, 12288591]

約数ペア:

[(1, 12288591), (3, 4096197), (7, 1755513), (9, 1365399), (21, 585171), (27, 455133), (63, 195057), (81, 151711), (189, 65019), (567, 21673)]