199966899

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 313479936

約数和(自身を除く): 113513037

約数列:

[1, 3, 11, 23, 33, 43, 69, 121, 129, 253, 363, 473, 557, 759, 989, 1419, 1671, 2783, 2967, 5203, 6127, 8349, 10879, 12811, 15609, 18381, 23951, 32637, 38433, 67397, 71853, 119669, 140921, 202191, 263461, 359007, 422763, 550873, 790383, 1550131, 1652619, 2898071, 4650393, 6059603, 8694213, 18178809, 66655633, 199966899]

約数ペア:

[(1, 199966899), (3, 66655633), (11, 18178809), (23, 8694213), (33, 6059603), (43, 4650393), (69, 2898071), (121, 1652619), (129, 1550131), (253, 790383), (363, 550873), (473, 422763), (557, 359007), (759, 263461), (989, 202191), (1419, 140921), (1671, 119669), (2783, 71853), (2967, 67397), (5203, 38433), (6127, 32637), (8349, 23951), (10879, 18381), (12811, 15609)]