203480007

素因数分解:

$3^1\times {\mathrm{41}}^2\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 280945488

約数和(自身を除く): 77465481

約数列:

[1, 3, 41, 123, 157, 257, 471, 771, 1681, 5043, 6437, 10537, 19311, 31611, 40349, 121047, 263917, 432017, 791751, 1296051, 1654309, 4962927, 67826669, 203480007]

約数ペア:

[(1, 203480007), (3, 67826669), (41, 4962927), (123, 1654309), (157, 1296051), (257, 791751), (471, 432017), (771, 263917), (1681, 121047), (5043, 40349), (6437, 31611), (10537, 19311)]