198706761

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3191}}^1$

素因数の和:3262

約数の個数: 48

約数和(自身を含む): 340599168

約数和(自身を除く): 141892407

約数列:

[1, 3, 9, 11, 17, 33, 37, 51, 99, 111, 153, 187, 333, 407, 561, 629, 1221, 1683, 1887, 3191, 3663, 5661, 6919, 9573, 20757, 28719, 35101, 54247, 62271, 105303, 118067, 162741, 315909, 354201, 488223, 596717, 1062603, 1298737, 1790151, 2007139, 3896211, 5370453, 6021417, 11688633, 18064251, 22078529, 66235587, 198706761]

約数ペア:

[(1, 198706761), (3, 66235587), (9, 22078529), (11, 18064251), (17, 11688633), (33, 6021417), (37, 5370453), (51, 3896211), (99, 2007139), (111, 1790151), (153, 1298737), (187, 1062603), (333, 596717), (407, 488223), (561, 354201), (629, 315909), (1221, 162741), (1683, 118067), (1887, 105303), (3191, 62271), (3663, 54247), (5661, 35101), (6919, 28719), (9573, 20757)]