206540139

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{407377}}^1$

素因数の和:407406

約数の個数: 12

約数和(自身を含む): 298200696

約数和(自身を除く): 91660557

約数列:

[1, 3, 13, 39, 169, 507, 407377, 1222131, 5295901, 15887703, 68846713, 206540139]

約数ペア:

[(1, 206540139), (3, 68846713), (13, 15887703), (39, 5295901), (169, 1222131), (507, 407377)]