28941081

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{4391}}^1$

素因数の和:4433

約数の個数: 16

約数和(自身を含む): 41811840

約数和(自身を除く): 12870759

約数列:

[1, 3, 13, 39, 169, 507, 2197, 4391, 6591, 13173, 57083, 171249, 742079, 2226237, 9647027, 28941081]

約数ペア:

[(1, 28941081), (3, 9647027), (13, 2226237), (39, 742079), (169, 171249), (507, 57083), (2197, 13173), (4391, 6591)]