128417745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{503599}}^1$

素因数の和:503624

約数の個数: 16

約数和(自身を含む): 217555200

約数和(自身を除く): 89137455

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 503599, 1510797, 2517995, 7553985, 8561183, 25683549, 42805915, 128417745]

約数ペア:

[(1, 128417745), (3, 42805915), (5, 25683549), (15, 8561183), (17, 7553985), (51, 2517995), (85, 1510797), (255, 503599)]