287712441

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{4561}}^1$

素因数の和:4773

約数の個数: 24

約数和(自身を含む): 427952096

約数和(自身を除く): 140239655

約数列:

[1, 3, 9, 43, 129, 163, 387, 489, 1467, 4561, 7009, 13683, 21027, 41049, 63081, 196123, 588369, 743443, 1765107, 2230329, 6690987, 31968049, 95904147, 287712441]

約数ペア:

[(1, 287712441), (3, 95904147), (9, 31968049), (43, 6690987), (129, 2230329), (163, 1765107), (387, 743443), (489, 588369), (1467, 196123), (4561, 63081), (7009, 41049), (13683, 21027)]