249255

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 449280

約数和(自身を除く): 200025

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 191, 261, 435, 573, 955, 1305, 1719, 2865, 5539, 8595, 16617, 27695, 49851, 83085, 249255]

約数ペア:

[(1, 249255), (3, 83085), (5, 49851), (9, 27695), (15, 16617), (29, 8595), (45, 5539), (87, 2865), (145, 1719), (191, 1305), (261, 955), (435, 573)]