28209891

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{1051}}^1$

素因数の和:1466

約数の個数: 16

約数和(自身を含む): 39386880

約数和(自身を除く): 11176989

約数列:

[1, 3, 23, 69, 389, 1051, 1167, 3153, 8947, 24173, 26841, 72519, 408839, 1226517, 9403297, 28209891]

約数ペア:

[(1, 28209891), (3, 9403297), (23, 1226517), (69, 408839), (389, 72519), (1051, 26841), (1167, 24173), (3153, 8947)]