53991879

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 77635584

約数和(自身を除く): 23643705

約数列:

[1, 3, 23, 69, 71, 103, 107, 213, 309, 321, 1633, 2369, 2461, 4899, 7107, 7313, 7383, 7597, 11021, 21939, 22791, 33063, 168199, 174731, 253483, 504597, 524193, 760449, 782491, 2347473, 17997293, 53991879]

約数ペア:

[(1, 53991879), (3, 17997293), (23, 2347473), (69, 782491), (71, 760449), (103, 524193), (107, 504597), (213, 253483), (309, 174731), (321, 168199), (1633, 33063), (2369, 22791), (2461, 21939), (4899, 11021), (7107, 7597), (7313, 7383)]