64067205

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 42377595

約数列:

[1, 3, 5, 15, 43, 71, 129, 213, 215, 355, 645, 1065, 1399, 3053, 4197, 6995, 9159, 15265, 20985, 45795, 60157, 99329, 180471, 297987, 300785, 496645, 902355, 1489935, 4271147, 12813441, 21355735, 64067205]

約数ペア:

[(1, 64067205), (3, 21355735), (5, 12813441), (15, 4271147), (43, 1489935), (71, 902355), (129, 496645), (213, 300785), (215, 297987), (355, 180471), (645, 99329), (1065, 60157), (1399, 45795), (3053, 20985), (4197, 15265), (6995, 9159)]