208762281

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{254899}}^1$

素因数の和:254925

約数の個数: 24

約数和(自身を含む): 371134400

約数和(自身を除く): 162372119

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 254899, 764697, 1784293, 2294091, 3313687, 5352879, 9941061, 16058637, 23195809, 29823183, 69587427, 208762281]

約数ペア:

[(1, 208762281), (3, 69587427), (7, 29823183), (9, 23195809), (13, 16058637), (21, 9941061), (39, 5352879), (63, 3313687), (91, 2294091), (117, 1784293), (273, 764697), (819, 254899)]