28358019

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{8539}}^1$

素因数の和:8592

約数の個数: 20

約数和(自身を含む): 43400280

約数和(自身を除く): 15042261

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 8539, 25617, 76851, 230553, 350099, 691659, 1050297, 3150891, 9452673, 28358019]

約数ペア:

[(1, 28358019), (3, 9452673), (9, 3150891), (27, 1050297), (41, 691659), (81, 350099), (123, 230553), (369, 76851), (1107, 25617), (3321, 8539)]