201994515

素因数分解:

$3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{20129}}^1$

素因数の和:20363

約数の個数: 24

約数和(自身を含む): 351711360

約数和(自身を除く): 149716845

約数列:

[1, 3, 5, 9, 15, 45, 223, 669, 1115, 2007, 3345, 10035, 20129, 60387, 100645, 181161, 301935, 905805, 4488767, 13466301, 22443835, 40398903, 67331505, 201994515]

約数ペア:

[(1, 201994515), (3, 67331505), (5, 40398903), (9, 22443835), (15, 13466301), (45, 4488767), (223, 905805), (669, 301935), (1115, 181161), (2007, 100645), (3345, 60387), (10035, 20129)]