28025439

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 40828032

約数和(自身を除く): 12802593

約数列:

[1, 3, 13, 39, 167, 169, 331, 501, 507, 993, 2171, 4303, 6513, 12909, 28223, 55277, 55939, 84669, 165831, 167817, 718601, 2155803, 9341813, 28025439]

約数ペア:

[(1, 28025439), (3, 9341813), (13, 2155803), (39, 718601), (167, 167817), (169, 165831), (331, 84669), (501, 55939), (507, 55277), (993, 28223), (2171, 12909), (4303, 6513)]