28320489

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{9623}}^1$

素因数の和:9741

約数の個数: 16

約数和(自身を含む): 42345600

約数和(自身を除く): 14025111

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 9623, 28869, 86607, 259821, 1048907, 3146721, 9440163, 28320489]

約数ペア:

[(1, 28320489), (3, 9440163), (9, 3146721), (27, 1048907), (109, 259821), (327, 86607), (981, 28869), (2943, 9623)]