128416215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{503593}}^1$

素因数の和:503618

約数の個数: 16

約数和(自身を含む): 217552608

約数和(自身を除く): 89136393

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 503593, 1510779, 2517965, 7553895, 8561081, 25683243, 42805405, 128416215]

約数ペア:

[(1, 128416215), (3, 42805405), (5, 25683243), (15, 8561081), (17, 7553895), (51, 2517965), (85, 1510779), (255, 503593)]