281669091

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1979}}^1$

素因数の和:2239

約数の個数: 32

約数和(自身を含む): 433382400

約数和(自身を除く): 151713309

約数列:

[1, 3, 11, 19, 33, 57, 209, 227, 627, 681, 1979, 2497, 4313, 5937, 7491, 12939, 21769, 37601, 47443, 65307, 112803, 142329, 413611, 449233, 1240833, 1347699, 4941563, 8535427, 14824689, 25606281, 93889697, 281669091]

約数ペア:

[(1, 281669091), (3, 93889697), (11, 25606281), (19, 14824689), (33, 8535427), (57, 4941563), (209, 1347699), (227, 1240833), (627, 449233), (681, 413611), (1979, 142329), (2497, 112803), (4313, 65307), (5937, 47443), (7491, 37601), (12939, 21769)]