200520015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41387}}^1$

素因数の和:41431

約数の個数: 32

約数和(自身を含む): 357592320

約数和(自身を除く): 157072305

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 41387, 124161, 206935, 620805, 703579, 786353, 2110737, 2359059, 3517895, 3931765, 10553685, 11795295, 13368001, 40104003, 66840005, 200520015]

約数ペア:

[(1, 200520015), (3, 66840005), (5, 40104003), (15, 13368001), (17, 11795295), (19, 10553685), (51, 3931765), (57, 3517895), (85, 2359059), (95, 2110737), (255, 786353), (285, 703579), (323, 620805), (969, 206935), (1615, 124161), (4845, 41387)]