159781305

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{3559}}^1$

素因数の和:3681

約数の個数: 32

約数和(自身を含む): 265547520

約数和(自身を除く): 105766215

約数列:

[1, 3, 5, 15, 41, 73, 123, 205, 219, 365, 615, 1095, 2993, 3559, 8979, 10677, 14965, 17795, 44895, 53385, 145919, 259807, 437757, 729595, 779421, 1299035, 2188785, 3897105, 10652087, 31956261, 53260435, 159781305]

約数ペア:

[(1, 159781305), (3, 53260435), (5, 31956261), (15, 10652087), (41, 3897105), (73, 2188785), (123, 1299035), (205, 779421), (219, 729595), (365, 437757), (615, 259807), (1095, 145919), (2993, 53385), (3559, 44895), (8979, 17795), (10677, 14965)]