27969995

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 9285685

約数列:

[1, 5, 19, 41, 43, 95, 167, 205, 215, 779, 817, 835, 1763, 3173, 3895, 4085, 6847, 7181, 8815, 15865, 33497, 34235, 35905, 130093, 136439, 167485, 294421, 650465, 682195, 1472105, 5593999, 27969995]

約数ペア:

[(1, 27969995), (5, 5593999), (19, 1472105), (41, 682195), (43, 650465), (95, 294421), (167, 167485), (205, 136439), (215, 130093), (779, 35905), (817, 34235), (835, 33497), (1763, 15865), (3173, 8815), (3895, 7181), (4085, 6847)]