287645211

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 486839808

約数和(自身を除く): 199194597

約数列:

[1, 3, 7, 9, 21, 63, 71, 107, 213, 321, 497, 601, 639, 749, 963, 1491, 1803, 2247, 4207, 4473, 5409, 6741, 7597, 12621, 22791, 37863, 42671, 53179, 64307, 68373, 128013, 159537, 192921, 298697, 384039, 450149, 478611, 578763, 896091, 1350447, 2688273, 4051341, 4565797, 13697391, 31960579, 41092173, 95881737, 287645211]

約数ペア:

[(1, 287645211), (3, 95881737), (7, 41092173), (9, 31960579), (21, 13697391), (63, 4565797), (71, 4051341), (107, 2688273), (213, 1350447), (321, 896091), (497, 578763), (601, 478611), (639, 450149), (749, 384039), (963, 298697), (1491, 192921), (1803, 159537), (2247, 128013), (4207, 68373), (4473, 64307), (5409, 53179), (6741, 42671), (7597, 37863), (12621, 22791)]