81526245

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6977}}^1$

素因数の和:7045

約数の個数: 32

約数和(自身を含む): 140676480

約数和(自身を除く): 59150235

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 2337, 3895, 6977, 11685, 20931, 34885, 104655, 132563, 286057, 397689, 662815, 858171, 1430285, 1988445, 4290855, 5435083, 16305249, 27175415, 81526245]

約数ペア:

[(1, 81526245), (3, 27175415), (5, 16305249), (15, 5435083), (19, 4290855), (41, 1988445), (57, 1430285), (95, 858171), (123, 662815), (205, 397689), (285, 286057), (615, 132563), (779, 104655), (2337, 34885), (3895, 20931), (6977, 11685)]