208613223

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1423}}^1$

素因数の和:1628

約数の個数: 48

約数和(自身を含む): 373201920

約数和(自身を除く): 164588697

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 179, 273, 537, 819, 1253, 1423, 1611, 2327, 3759, 4269, 6981, 9961, 11277, 12807, 16289, 18499, 20943, 29883, 48867, 55497, 89649, 129493, 146601, 166491, 254717, 388479, 764151, 1165437, 1783019, 2292453, 3311321, 5349057, 9933963, 16047171, 23179247, 29801889, 69537741, 208613223]

約数ペア:

[(1, 208613223), (3, 69537741), (7, 29801889), (9, 23179247), (13, 16047171), (21, 9933963), (39, 5349057), (63, 3311321), (91, 2292453), (117, 1783019), (179, 1165437), (273, 764151), (537, 388479), (819, 254717), (1253, 166491), (1423, 146601), (1611, 129493), (2327, 89649), (3759, 55497), (4269, 48867), (6981, 29883), (9961, 20943), (11277, 18499), (12807, 16289)]