27168795

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 22252005

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 109, 145, 191, 261, 327, 435, 545, 573, 955, 981, 1305, 1635, 1719, 2865, 3161, 4905, 5539, 8595, 9483, 15805, 16617, 20819, 27695, 28449, 47415, 49851, 62457, 83085, 104095, 142245, 187371, 249255, 312285, 603751, 936855, 1811253, 3018755, 5433759, 9056265, 27168795]

約数ペア:

[(1, 27168795), (3, 9056265), (5, 5433759), (9, 3018755), (15, 1811253), (29, 936855), (45, 603751), (87, 312285), (109, 249255), (145, 187371), (191, 142245), (261, 104095), (327, 83085), (435, 62457), (545, 49851), (573, 47415), (955, 28449), (981, 27695), (1305, 20819), (1635, 16617), (1719, 15805), (2865, 9483), (3161, 8595), (4905, 5539)]