1282473

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 20

約数和(自身を含む): 1951488

約数和(自身を除く): 669015

約数列:

[1, 3, 9, 27, 71, 81, 213, 223, 639, 669, 1917, 2007, 5751, 6021, 15833, 18063, 47499, 142497, 427491, 1282473]

約数ペア:

[(1, 1282473), (3, 427491), (9, 142497), (27, 47499), (71, 18063), (81, 15833), (213, 6021), (223, 5751), (639, 2007), (669, 1917)]