51374421

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6421}}^1$

素因数の和:6561

約数の個数: 24

約数和(自身を含む): 85489664

約数和(自身を除く): 34115243

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 6421, 8001, 19263, 44947, 57789, 134841, 404523, 815467, 2446401, 5708269, 7339203, 17124807, 51374421]

約数ペア:

[(1, 51374421), (3, 17124807), (7, 7339203), (9, 5708269), (21, 2446401), (63, 815467), (127, 404523), (381, 134841), (889, 57789), (1143, 44947), (2667, 19263), (6421, 8001)]