131590809

素因数分解:

$3^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{4289}}^1$

素因数の和:4789

約数の個数: 24

約数和(自身を含む): 217726080

約数和(自身を除く): 86135271

約数列:

[1, 3, 7, 9, 21, 63, 487, 1461, 3409, 4289, 4383, 10227, 12867, 30023, 30681, 38601, 90069, 270207, 2088743, 6266229, 14621201, 18798687, 43863603, 131590809]

約数ペア:

[(1, 131590809), (3, 43863603), (7, 18798687), (9, 14621201), (21, 6266229), (63, 2088743), (487, 270207), (1461, 90069), (3409, 38601), (4289, 30681), (4383, 30023), (10227, 12867)]