28096821

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{9547}}^1$

素因数の和:9665

約数の個数: 16

約数和(自身を含む): 42011200

約数和(自身を除く): 13914379

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 9547, 28641, 85923, 257769, 1040623, 3121869, 9365607, 28096821]

約数ペア:

[(1, 28096821), (3, 9365607), (9, 3121869), (27, 1040623), (109, 257769), (327, 85923), (981, 28641), (2943, 9547)]