128839005

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18713}}^1$

素因数の和:18747

約数の個数: 40

約数和(自身を含む): 244554552

約数和(自身を除く): 115715547

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 18713, 56139, 93565, 168417, 280695, 318121, 505251, 842085, 954363, 1515753, 1590605, 2526255, 2863089, 4771815, 7578765, 8589267, 14315445, 25767801, 42946335, 128839005]

約数ペア:

[(1, 128839005), (3, 42946335), (5, 25767801), (9, 14315445), (15, 8589267), (17, 7578765), (27, 4771815), (45, 2863089), (51, 2526255), (81, 1590605), (85, 1515753), (135, 954363), (153, 842085), (255, 505251), (405, 318121), (459, 280695), (765, 168417), (1377, 93565), (2295, 56139), (6885, 18713)]