18340077

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 28887040

約数和(自身を除く): 10546963

約数列:

[1, 3, 7, 21, 61, 103, 139, 183, 309, 417, 427, 721, 973, 1281, 2163, 2919, 6283, 8479, 14317, 18849, 25437, 42951, 43981, 59353, 100219, 131943, 178059, 300657, 873337, 2620011, 6113359, 18340077]

約数ペア:

[(1, 18340077), (3, 6113359), (7, 2620011), (21, 873337), (61, 300657), (103, 178059), (139, 131943), (183, 100219), (309, 59353), (417, 43981), (427, 42951), (721, 25437), (973, 18849), (1281, 14317), (2163, 8479), (2919, 6283)]