206348289.0000000000

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{9377}}^1$

素因数の和:9474

約数の個数: 48

約数和(自身を含む): 1802376576

約数和(自身を除く): 760882563

約数列:

[1, 3, 7, 9, 21, 41, 43, 63, 123, 129, 287, 301, 369, 387, 861, 903, 1763, 2583, 2709, 5289, 9377, 12341, 15867, 28131, 37023, 65639, 84393, 111069, 196917, 384457, 403211, 590751, 1153371, 1209633, 2691199, 2822477, 3460113, 3628899, 8073597, 8467431, 16531651, 24220791, 25402293, 49594953, 115721557, 148784859, 347164671, 1041494013]

約数ペア:

[(1, 1041494013), (3, 347164671), (7, 148784859), (9, 115721557), (21, 49594953), (41, 25402293), (43, 24220791), (63, 16531651), (123, 8467431), (129, 8073597), (287, 3628899), (301, 3460113), (369, 2822477), (387, 2691199), (861, 1209633), (903, 1153371), (1763, 590751), (2583, 403211), (2709, 384457), (5289, 196917), (9377, 111069), (12341, 84393), (15867, 65639), (28131, 37023)]