199949019

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73973}}^1$

素因数の和:74046

約数の個数: 16

約数和(自身を含む): 287610912

約数和(自身を除く): 87661893

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 73973, 221919, 1257541, 3772623, 3920569, 11761707, 66649673, 199949019]

約数ペア:

[(1, 199949019), (3, 66649673), (17, 11761707), (51, 3920569), (53, 3772623), (159, 1257541), (901, 221919), (2703, 73973)]