217437273

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 345384000

約数和(自身を除く): 127946727

約数列:

[1, 3, 9, 19, 29, 57, 87, 163, 171, 261, 269, 489, 551, 807, 1467, 1653, 2421, 3097, 4727, 4959, 5111, 7801, 9291, 14181, 15333, 23403, 27873, 42543, 43847, 45999, 70209, 89813, 131541, 148219, 269439, 394623, 444657, 808317, 833093, 1271563, 1333971, 2499279, 3814689, 7497837, 11444067, 24159697, 72479091, 217437273]

約数ペア:

[(1, 217437273), (3, 72479091), (9, 24159697), (19, 11444067), (29, 7497837), (57, 3814689), (87, 2499279), (163, 1333971), (171, 1271563), (261, 833093), (269, 808317), (489, 444657), (551, 394623), (807, 269439), (1467, 148219), (1653, 131541), (2421, 89813), (3097, 70209), (4727, 45999), (4959, 43847), (5111, 42543), (7801, 27873), (9291, 23403), (14181, 15333)]