289177857

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{28111}}^1$

素因数の和:28250

約数の個数: 20

約数和(自身を含む): 435398656

約数和(自身を除く): 146220799

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 10287, 28111, 84333, 252999, 758997, 2276991, 3570097, 10710291, 32130873, 96392619, 289177857]

約数ペア:

[(1, 289177857), (3, 96392619), (9, 32130873), (27, 10710291), (81, 3570097), (127, 2276991), (381, 758997), (1143, 252999), (3429, 84333), (10287, 28111)]