199895715

素因数分解:

$3^3\times 5^1\times {\mathrm{1480709}}^1$

素因数の和:1480723

約数の個数: 16

約数和(自身を含む): 355370400

約数和(自身を除く): 155474685

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1480709, 4442127, 7403545, 13326381, 22210635, 39979143, 66631905, 199895715]

約数ペア:

[(1, 199895715), (3, 66631905), (5, 39979143), (9, 22210635), (15, 13326381), (27, 7403545), (45, 4442127), (135, 1480709)]