259986945

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{5791}}^1$

素因数の和:5913

約数の個数: 32

約数和(自身を含む): 432036864

約数和(自身を除く): 172049919

約数列:

[1, 3, 5, 15, 41, 73, 123, 205, 219, 365, 615, 1095, 2993, 5791, 8979, 14965, 17373, 28955, 44895, 86865, 237431, 422743, 712293, 1187155, 1268229, 2113715, 3561465, 6341145, 17332463, 51997389, 86662315, 259986945]

約数ペア:

[(1, 259986945), (3, 86662315), (5, 51997389), (15, 17332463), (41, 6341145), (73, 3561465), (123, 2113715), (205, 1268229), (219, 1187155), (365, 712293), (615, 422743), (1095, 237431), (2993, 86865), (5791, 44895), (8979, 28955), (14965, 17373)]