205161007

素因数分解:

${\mathrm{31}}^2\times {\mathrm{41}}^2\times {\mathrm{127}}^1$

素因数の和:271

約数の個数: 18

約数和(自身を含む): 219000192

約数和(自身を除く): 13839185

約数列:

[1, 31, 41, 127, 961, 1271, 1681, 3937, 5207, 39401, 52111, 122047, 161417, 213487, 1615441, 5003927, 6618097, 205161007]

約数ペア:

[(1, 205161007), (31, 6618097), (41, 5003927), (127, 1615441), (961, 213487), (1271, 161417), (1681, 122047), (3937, 52111), (5207, 39401)]