80972445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317539}}^1$

素因数の和:317564

約数の個数: 16

約数和(自身を含む): 137177280

約数和(自身を除く): 56204835

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 317539, 952617, 1587695, 4763085, 5398163, 16194489, 26990815, 80972445]

約数ペア:

[(1, 80972445), (3, 26990815), (5, 16194489), (15, 5398163), (17, 4763085), (51, 1587695), (85, 952617), (255, 317539)]