20161458945

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1279}}^1\times {\mathrm{2351}}^1$

素因数の和:3790

約数の個数: 48

約数和(自身を含む): 35223552000

約数和(自身を除く): 15062093055

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1279, 1341, 2235, 2351, 3837, 6395, 6705, 7053, 11511, 11755, 19185, 21159, 35265, 57555, 105795, 190571, 350299, 571713, 952855, 1050897, 1715139, 1751495, 2858565, 3006929, 3152691, 5254485, 8575695, 9020787, 15034645, 15763455, 27062361, 45103935, 135311805, 448032421, 1344097263, 2240162105, 4032291789, 6720486315, 20161458945]

約数ペア:

[(1, 20161458945), (3, 6720486315), (5, 4032291789), (9, 2240162105), (15, 1344097263), (45, 448032421), (149, 135311805), (447, 45103935), (745, 27062361), (1279, 15763455), (1341, 15034645), (2235, 9020787), (2351, 8575695), (3837, 5254485), (6395, 3152691), (6705, 3006929), (7053, 2858565), (11511, 1751495), (11755, 1715139), (19185, 1050897), (21159, 952855), (35265, 571713), (57555, 350299), (105795, 190571)]