254202507

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{431}}^1$

素因数の和:592

約数の個数: 36

約数和(自身を含む): 402004512

約数和(自身を除く): 147802005

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 431, 639, 923, 1293, 2769, 3879, 5041, 5603, 8307, 15123, 16809, 30601, 45369, 50427, 65533, 91803, 196599, 275409, 397813, 589797, 1193439, 2172671, 3580317, 6518013, 19554039, 28244723, 84734169, 254202507]

約数ペア:

[(1, 254202507), (3, 84734169), (9, 28244723), (13, 19554039), (39, 6518013), (71, 3580317), (117, 2172671), (213, 1193439), (431, 589797), (639, 397813), (923, 275409), (1293, 196599), (2769, 91803), (3879, 65533), (5041, 50427), (5603, 45369), (8307, 30601), (15123, 16809)]