64075309.000000000

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 276494400

約数和(自身を除く): 107690661

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 149, 207, 299, 421, 447, 897, 1263, 1341, 1937, 2691, 3427, 3789, 5473, 5811, 9683, 10281, 16419, 17433, 29049, 30843, 44551, 49257, 62729, 87147, 125879, 133653, 188187, 377637, 400959, 564561, 815477, 1132911, 1442767, 2446431, 4328301, 7339293, 12984903, 18755971, 56267913, 168803739]

約数ペア:

[(1, 168803739), (3, 56267913), (9, 18755971), (13, 12984903), (23, 7339293), (39, 4328301), (69, 2446431), (117, 1442767), (149, 1132911), (207, 815477), (299, 564561), (421, 400959), (447, 377637), (897, 188187), (1263, 133653), (1341, 125879), (1937, 87147), (2691, 62729), (3427, 49257), (3789, 44551), (5473, 30843), (5811, 29049), (9683, 17433), (10281, 16419)]