51381561

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 87554432

約数和(自身を除く): 36172871

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 121, 219, 231, 277, 363, 511, 803, 831, 847, 1533, 1939, 2409, 2541, 3047, 5621, 5817, 8833, 9141, 16863, 20221, 21329, 26499, 33517, 60663, 61831, 63987, 100551, 141547, 185493, 222431, 234619, 424641, 667293, 703857, 1557017, 2446741, 4671051, 7340223, 17127187, 51381561]

約数ペア:

[(1, 51381561), (3, 17127187), (7, 7340223), (11, 4671051), (21, 2446741), (33, 1557017), (73, 703857), (77, 667293), (121, 424641), (219, 234619), (231, 222431), (277, 185493), (363, 141547), (511, 100551), (803, 63987), (831, 61831), (847, 60663), (1533, 33517), (1939, 26499), (2409, 21329), (2541, 20221), (3047, 16863), (5621, 9141), (5817, 8833)]