207870495

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{1021}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 388670688

約数和(自身を除く): 180800193

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 277, 735, 831, 1021, 1385, 1939, 3063, 4155, 5105, 5817, 7147, 9695, 13573, 15315, 21441, 29085, 35735, 40719, 50029, 67865, 107205, 150087, 203595, 250145, 282817, 750435, 848451, 1414085, 1979719, 4242255, 5939157, 9898595, 13858033, 29695785, 41574099, 69290165, 207870495]

約数ペア:

[(1, 207870495), (3, 69290165), (5, 41574099), (7, 29695785), (15, 13858033), (21, 9898595), (35, 5939157), (49, 4242255), (105, 1979719), (147, 1414085), (245, 848451), (277, 750435), (735, 282817), (831, 250145), (1021, 203595), (1385, 150087), (1939, 107205), (3063, 67865), (4155, 50029), (5105, 40719), (5817, 35735), (7147, 29085), (9695, 21441), (13573, 15315)]