1293940281

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{58979}}^1$

素因数の和:59156

約数の個数: 16

約数和(自身を含む): 1766568960

約数和(自身を除く): 472628679

約数列:

[1, 3, 71, 103, 213, 309, 7313, 21939, 58979, 176937, 4187509, 6074837, 12562527, 18224511, 431313427, 1293940281]

約数ペア:

[(1, 1293940281), (3, 431313427), (71, 18224511), (103, 12562527), (213, 6074837), (309, 4187509), (7313, 176937), (21939, 58979)]