196199289

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{971}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 335409984

約数和(自身を除く): 139210695

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 157, 429, 471, 971, 1287, 1413, 1727, 2041, 2913, 5181, 6123, 8739, 10681, 12623, 15543, 18369, 22451, 32043, 37869, 67353, 96129, 113607, 138853, 152447, 202059, 416559, 457341, 1249677, 1372023, 1676917, 1981811, 5030751, 5945433, 15092253, 17836299, 21799921, 65399763, 196199289]

約数ペア:

[(1, 196199289), (3, 65399763), (9, 21799921), (11, 17836299), (13, 15092253), (33, 5945433), (39, 5030751), (99, 1981811), (117, 1676917), (143, 1372023), (157, 1249677), (429, 457341), (471, 416559), (971, 202059), (1287, 152447), (1413, 138853), (1727, 113607), (2041, 96129), (2913, 67353), (5181, 37869), (6123, 32043), (8739, 22451), (10681, 18369), (12623, 15543)]