1389873693

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{81551}}^1$

素因数の和:81609

約数の個数: 32

約数和(自身を含む): 2192117760

約数和(自身を除く): 802244067

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 247, 299, 437, 741, 897, 1311, 5681, 17043, 81551, 244653, 1060163, 1549469, 1875673, 3180489, 4648407, 5627019, 20143097, 24383749, 35637787, 60429291, 73151247, 106913361, 463291231, 1389873693]

約数ペア:

[(1, 1389873693), (3, 463291231), (13, 106913361), (19, 73151247), (23, 60429291), (39, 35637787), (57, 24383749), (69, 20143097), (247, 5627019), (299, 4648407), (437, 3180489), (741, 1875673), (897, 1549469), (1311, 1060163), (5681, 244653), (17043, 81551)]