213885789

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8719}}^1$

素因数の和:8789

約数の個数: 32

約数和(自身を含む): 334010880

約数和(自身を除く): 120125091

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 1443, 1887, 8177, 8719, 24531, 26157, 113347, 148223, 322603, 340041, 444669, 967809, 1926899, 4193839, 5484251, 5780697, 12581517, 16452753, 71295263, 213885789]

約数ペア:

[(1, 213885789), (3, 71295263), (13, 16452753), (17, 12581517), (37, 5780697), (39, 5484251), (51, 4193839), (111, 1926899), (221, 967809), (481, 444669), (629, 340041), (663, 322603), (1443, 148223), (1887, 113347), (8177, 26157), (8719, 24531)]