263542485

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1\times {\mathrm{839}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 432875520

約数和(自身を除く): 169333035

約数列:

[1, 3, 5, 15, 43, 129, 215, 487, 645, 839, 1461, 2435, 2517, 4195, 7305, 12585, 20941, 36077, 62823, 104705, 108231, 180385, 314115, 408593, 541155, 1225779, 2042965, 6128895, 17569499, 52708497, 87847495, 263542485]

約数ペア:

[(1, 263542485), (3, 87847495), (5, 52708497), (15, 17569499), (43, 6128895), (129, 2042965), (215, 1225779), (487, 541155), (645, 408593), (839, 314115), (1461, 180385), (2435, 108231), (2517, 104705), (4195, 62823), (7305, 36077), (12585, 20941)]