7942851

素因数分解:

$3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 13977600

約数和(自身を除く): 6034749

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 83, 93, 147, 217, 249, 279, 343, 441, 581, 651, 747, 1029, 1519, 1743, 1953, 2573, 3087, 4067, 4557, 5229, 7719, 10633, 12201, 13671, 18011, 23157, 28469, 31899, 36603, 54033, 85407, 95697, 126077, 162099, 256221, 378231, 882539, 1134693, 2647617, 7942851]

約数ペア:

[(1, 7942851), (3, 2647617), (7, 1134693), (9, 882539), (21, 378231), (31, 256221), (49, 162099), (63, 126077), (83, 95697), (93, 85407), (147, 54033), (217, 36603), (249, 31899), (279, 28469), (343, 23157), (441, 18011), (581, 13671), (651, 12201), (747, 10633), (1029, 7719), (1519, 5229), (1743, 4557), (1953, 4067), (2573, 3087)]