65817225

素因数分解:

$3^3\times 5^2\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 121688640

約数和(自身を除く): 55871415

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 281, 347, 675, 843, 1041, 1405, 1735, 2529, 3123, 4215, 5205, 7025, 7587, 8675, 9369, 12645, 15615, 21075, 26025, 37935, 46845, 63225, 78075, 97507, 189675, 234225, 292521, 487535, 877563, 1462605, 2437675, 2632689, 4387815, 7313025, 13163445, 21939075, 65817225]

約数ペア:

[(1, 65817225), (3, 21939075), (5, 13163445), (9, 7313025), (15, 4387815), (25, 2632689), (27, 2437675), (45, 1462605), (75, 877563), (135, 487535), (225, 292521), (281, 234225), (347, 189675), (675, 97507), (843, 78075), (1041, 63225), (1405, 46845), (1735, 37935), (2529, 26025), (3123, 21075), (4215, 15615), (5205, 12645), (7025, 9369), (7587, 8675)]