28286847

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{6673}}^1$

素因数の和:6839

約数の個数: 16

約数和(自身を含む): 42179680

約数和(自身を除く): 13892833

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 6673, 20019, 60057, 180171, 1047661, 3142983, 9428949, 28286847]

約数ペア:

[(1, 28286847), (3, 9428949), (9, 3142983), (27, 1047661), (157, 180171), (471, 60057), (1413, 20019), (4239, 6673)]