199979715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1025537}}^1$

素因数の和:1025558

約数の個数: 16

約数和(自身を含む): 344580768

約数和(自身を除く): 144601053

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1025537, 3076611, 5127685, 13331981, 15383055, 39995943, 66659905, 199979715]

約数ペア:

[(1, 199979715), (3, 66659905), (5, 39995943), (13, 15383055), (15, 13331981), (39, 5127685), (65, 3076611), (195, 1025537)]