680872353

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 1139865600

約数和(自身を除く): 458993247

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 163, 203, 361, 399, 489, 551, 609, 1083, 1141, 1653, 2527, 3097, 3423, 3857, 4727, 6859, 7581, 9291, 10469, 11571, 14181, 20577, 21679, 31407, 33089, 48013, 58843, 65037, 73283, 89813, 99267, 144039, 176529, 198911, 219849, 269439, 411901, 596733, 628691, 1118017, 1235703, 1392377, 1706447, 1886073, 3354051, 4177131, 5119341, 7826119, 11945129, 23478357, 32422493, 35835387, 97267479, 226957451, 680872353]

約数ペア:

[(1, 680872353), (3, 226957451), (7, 97267479), (19, 35835387), (21, 32422493), (29, 23478357), (57, 11945129), (87, 7826119), (133, 5119341), (163, 4177131), (203, 3354051), (361, 1886073), (399, 1706447), (489, 1392377), (551, 1235703), (609, 1118017), (1083, 628691), (1141, 596733), (1653, 411901), (2527, 269439), (3097, 219849), (3423, 198911), (3857, 176529), (4727, 144039), (6859, 99267), (7581, 89813), (9291, 73283), (10469, 65037), (11571, 58843), (14181, 48013), (20577, 33089), (21679, 31407)]