131488965

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{171881}}^1$

素因数の和:171909

約数の個数: 24

約数和(自身を含む): 241322328

約数和(自身を除く): 109833363

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 171881, 515643, 859405, 1546929, 2578215, 2921977, 7734645, 8765931, 14609885, 26297793, 43829655, 131488965]

約数ペア:

[(1, 131488965), (3, 43829655), (5, 26297793), (9, 14609885), (15, 8765931), (17, 7734645), (45, 2921977), (51, 2578215), (85, 1546929), (153, 859405), (255, 515643), (765, 171881)]