66691395

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{7523}}^1$

素因数の和:7731

約数の個数: 24

約数和(自身を含む): 116200656

約数和(自身を除く): 49509261

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2955, 7523, 8865, 22569, 37615, 67707, 112845, 338535, 1482031, 4446093, 7410155, 13338279, 22230465, 66691395]

約数ペア:

[(1, 66691395), (3, 22230465), (5, 13338279), (9, 7410155), (15, 4446093), (45, 1482031), (197, 338535), (591, 112845), (985, 67707), (1773, 37615), (2955, 22569), (7523, 8865)]