12540591

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2971}}^1$

素因数の和:3051

約数の個数: 24

約数和(自身を含む): 21017984

約数和(自身を除く): 8477393

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 2971, 4221, 8913, 20797, 26739, 62391, 187173, 199057, 597171, 1393399, 1791513, 4180197, 12540591]

約数ペア:

[(1, 12540591), (3, 4180197), (7, 1791513), (9, 1393399), (21, 597171), (63, 199057), (67, 187173), (201, 62391), (469, 26739), (603, 20797), (1407, 8913), (2971, 4221)]