57120255

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{24889}}^1$

素因数の和:24920

約数の個数: 32

約数和(自身を含む): 107524800

約数和(自身を除く): 50404545

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 24889, 74667, 124445, 224001, 373335, 423113, 672003, 1120005, 1269339, 2115565, 3360015, 3808017, 6346695, 11424051, 19040085, 57120255]

約数ペア:

[(1, 57120255), (3, 19040085), (5, 11424051), (9, 6346695), (15, 3808017), (17, 3360015), (27, 2115565), (45, 1269339), (51, 1120005), (85, 672003), (135, 423113), (153, 373335), (255, 224001), (459, 124445), (765, 74667), (2295, 24889)]