39775281

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2749}}^1$

素因数の和:2825

約数の個数: 32

約数和(自身を含む): 66528000

約数和(自身を除く): 26752719

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 2067, 2749, 4823, 8247, 14469, 19243, 35737, 57729, 107211, 145697, 250159, 437091, 750477, 1019879, 1894061, 3059637, 5682183, 13258427, 39775281]

約数ペア:

[(1, 39775281), (3, 13258427), (7, 5682183), (13, 3059637), (21, 1894061), (39, 1019879), (53, 750477), (91, 437091), (159, 250159), (273, 145697), (371, 107211), (689, 57729), (1113, 35737), (2067, 19243), (2749, 14469), (4823, 8247)]