181565415

素因数分解:

$3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9817}}^1$

素因数の和:9968

約数の個数: 32

約数和(自身を含む): 325172160

約数和(自身を除く): 143606745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137, 411, 685, 1233, 2055, 3699, 6165, 9817, 18495, 29451, 49085, 88353, 147255, 265059, 441765, 1325295, 1344929, 4034787, 6724645, 12104361, 20173935, 36313083, 60521805, 181565415]

約数ペア:

[(1, 181565415), (3, 60521805), (5, 36313083), (9, 20173935), (15, 12104361), (27, 6724645), (45, 4034787), (135, 1344929), (137, 1325295), (411, 441765), (685, 265059), (1233, 147255), (2055, 88353), (3699, 49085), (6165, 29451), (9817, 18495)]