18508155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 31606848

約数和(自身を除く): 13098693

約数列:

[1, 3, 5, 15, 17, 51, 85, 181, 255, 401, 543, 905, 1203, 2005, 2715, 3077, 6015, 6817, 9231, 15385, 20451, 34085, 46155, 72581, 102255, 217743, 362905, 1088715, 1233877, 3701631, 6169385, 18508155]

約数ペア:

[(1, 18508155), (3, 6169385), (5, 3701631), (15, 1233877), (17, 1088715), (51, 362905), (85, 217743), (181, 102255), (255, 72581), (401, 46155), (543, 34085), (905, 20451), (1203, 15385), (2005, 9231), (2715, 6817), (3077, 6015)]