131750217

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{15233}}^1$

素因数の和:15301

約数の個数: 18

約数和(自身を含む): 196655706

約数和(自身を除く): 64905489

約数列:

[1, 3, 9, 31, 93, 279, 961, 2883, 8649, 15233, 45699, 137097, 472223, 1416669, 4250007, 14638913, 43916739, 131750217]

約数ペア:

[(1, 131750217), (3, 43916739), (9, 14638913), (31, 4250007), (93, 1416669), (279, 472223), (961, 137097), (2883, 45699), (8649, 15233)]