205989165

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2707}}^1$

素因数の和:2826

約数の個数: 48

約数和(自身を含む): 380203200

約数和(自身を除く): 174214035

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 89, 95, 171, 267, 285, 445, 801, 855, 1335, 1691, 2707, 4005, 5073, 8121, 8455, 13535, 15219, 24363, 25365, 40605, 51433, 76095, 121815, 154299, 240923, 257165, 462897, 722769, 771495, 1204615, 2168307, 2314485, 3613845, 4577537, 10841535, 13732611, 22887685, 41197833, 68663055, 205989165]

約数ペア:

[(1, 205989165), (3, 68663055), (5, 41197833), (9, 22887685), (15, 13732611), (19, 10841535), (45, 4577537), (57, 3613845), (89, 2314485), (95, 2168307), (171, 1204615), (267, 771495), (285, 722769), (445, 462897), (801, 257165), (855, 240923), (1335, 154299), (1691, 121815), (2707, 76095), (4005, 51433), (5073, 40605), (8121, 25365), (8455, 24363), (13535, 15219)]