2005647981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1439}}^1\times {\mathrm{27329}}^1$

素因数の和:28788

約数の個数: 16

約数和(自身を含む): 2833574400

約数和(自身を除く): 827926419

約数列:

[1, 3, 17, 51, 1439, 4317, 24463, 27329, 73389, 81987, 464593, 1393779, 39326431, 117979293, 668549327, 2005647981]

約数ペア:

[(1, 2005647981), (3, 668549327), (17, 117979293), (51, 39326431), (1439, 1393779), (4317, 464593), (24463, 81987), (27329, 73389)]