25843629

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{487}}^1$

素因数の和:542

約数の個数: 36

約数和(自身を含む): 42391584

約数和(自身を除く): 16547955

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 361, 399, 487, 931, 1083, 1461, 2527, 2793, 3409, 7581, 9253, 10227, 17689, 23863, 27759, 53067, 64771, 71589, 175807, 194313, 453397, 527421, 1230649, 1360191, 3691947, 8614543, 25843629]

約数ペア:

[(1, 25843629), (3, 8614543), (7, 3691947), (19, 1360191), (21, 1230649), (49, 527421), (57, 453397), (133, 194313), (147, 175807), (361, 71589), (399, 64771), (487, 53067), (931, 27759), (1083, 23863), (1461, 17689), (2527, 10227), (2793, 9253), (3409, 7581)]