28867131

素因数分解:

$3^3\times {\mathrm{719}}^1\times {\mathrm{1487}}^1$

素因数の和:2215

約数の個数: 16

約数和(自身を含む): 42854400

約数和(自身を除く): 13987269

約数列:

[1, 3, 9, 27, 719, 1487, 2157, 4461, 6471, 13383, 19413, 40149, 1069153, 3207459, 9622377, 28867131]

約数ペア:

[(1, 28867131), (3, 9622377), (9, 3207459), (27, 1069153), (719, 40149), (1487, 19413), (2157, 13383), (4461, 6471)]