1262289

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 2028288

約数和(自身を除く): 765999

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 277, 651, 831, 1519, 1939, 4557, 5817, 8587, 13573, 25761, 40719, 60109, 180327, 420763, 1262289]

約数ペア:

[(1, 1262289), (3, 420763), (7, 180327), (21, 60109), (31, 40719), (49, 25761), (93, 13573), (147, 8587), (217, 5817), (277, 4557), (651, 1939), (831, 1519)]