256607265

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1006303}}^1$

素因数の和:1006328

約数の個数: 16

約数和(自身を含む): 434723328

約数和(自身を除く): 178116063

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 1006303, 3018909, 5031515, 15094545, 17107151, 51321453, 85535755, 256607265]

約数ペア:

[(1, 256607265), (3, 85535755), (5, 51321453), (15, 17107151), (17, 15094545), (51, 5031515), (85, 3018909), (255, 1006303)]