81058125

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{2543}}^1$

素因数の和:2583

約数の個数: 40

約数和(自身を含む): 143054208

約数和(自身を除く): 61996083

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 625, 1275, 1875, 2125, 2543, 6375, 7629, 10625, 12715, 31875, 38145, 43231, 63575, 129693, 190725, 216155, 317875, 648465, 953625, 1080775, 1589375, 3242325, 4768125, 5403875, 16211625, 27019375, 81058125]

約数ペア:

[(1, 81058125), (3, 27019375), (5, 16211625), (15, 5403875), (17, 4768125), (25, 3242325), (51, 1589375), (75, 1080775), (85, 953625), (125, 648465), (255, 317875), (375, 216155), (425, 190725), (625, 129693), (1275, 63575), (1875, 43231), (2125, 38145), (2543, 31875), (6375, 12715), (7629, 10625)]