27638445

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2621}}^1$

素因数の和:2685

約数の個数: 32

約数和(自身を含む): 47825280

約数和(自身を除く): 20186835

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 555, 703, 2109, 2621, 3515, 7863, 10545, 13105, 39315, 49799, 96977, 149397, 248995, 290931, 484885, 746985, 1454655, 1842563, 5527689, 9212815, 27638445]

約数ペア:

[(1, 27638445), (3, 9212815), (5, 5527689), (15, 1842563), (19, 1454655), (37, 746985), (57, 484885), (95, 290931), (111, 248995), (185, 149397), (285, 96977), (555, 49799), (703, 39315), (2109, 13105), (2621, 10545), (3515, 7863)]