489555

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:88

約数の個数: 48

約数和(自身を含む): 988416

約数和(自身を除く): 498861

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 43, 45, 55, 69, 99, 115, 129, 165, 207, 215, 253, 345, 387, 473, 495, 645, 759, 989, 1035, 1265, 1419, 1935, 2277, 2365, 2967, 3795, 4257, 4945, 7095, 8901, 10879, 11385, 14835, 21285, 32637, 44505, 54395, 97911, 163185, 489555]

約数ペア:

[(1, 489555), (3, 163185), (5, 97911), (9, 54395), (11, 44505), (15, 32637), (23, 21285), (33, 14835), (43, 11385), (45, 10879), (55, 8901), (69, 7095), (99, 4945), (115, 4257), (129, 3795), (165, 2967), (207, 2365), (215, 2277), (253, 1935), (345, 1419), (387, 1265), (473, 1035), (495, 989), (645, 759)]