248575473

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{43223}}^1$

素因数の和:43306

約数の個数: 20

約数和(自身を含む): 376567488

約数和(自身を除く): 127992015

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 43223, 129669, 389007, 1167021, 3068833, 3501063, 9206499, 27619497, 82858491, 248575473]

約数ペア:

[(1, 248575473), (3, 82858491), (9, 27619497), (27, 9206499), (71, 3501063), (81, 3068833), (213, 1167021), (639, 389007), (1917, 129669), (5751, 43223)]