1995597

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:430

約数の個数: 20

約数和(自身を含む): 3031776

約数和(自身を除く): 1036179

約数列:

[1, 3, 9, 27, 71, 81, 213, 347, 639, 1041, 1917, 3123, 5751, 9369, 24637, 28107, 73911, 221733, 665199, 1995597]

約数ペア:

[(1, 1995597), (3, 665199), (9, 221733), (27, 73911), (71, 28107), (81, 24637), (213, 9369), (347, 5751), (639, 3123), (1041, 1917)]