28218081

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 38187968

約数和(自身を除く): 9969887

約数列:

[1, 3, 157, 181, 331, 471, 543, 993, 28417, 51967, 59911, 85251, 155901, 179733, 9406027, 28218081]

約数ペア:

[(1, 28218081), (3, 9406027), (157, 179733), (181, 155901), (331, 85251), (471, 59911), (543, 51967), (993, 28417)]