123451605

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{38639}}^1$

素因数の和:38721

約数の個数: 24

約数和(自身を含む): 217002240

約数和(自身を除く): 93550635

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 38639, 115917, 193195, 347751, 579585, 1738755, 2743369, 8230107, 13716845, 24690321, 41150535, 123451605]

約数ペア:

[(1, 123451605), (3, 41150535), (5, 24690321), (9, 13716845), (15, 8230107), (45, 2743369), (71, 1738755), (213, 579585), (355, 347751), (639, 193195), (1065, 115917), (3195, 38639)]