16639707

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 9971493

約数列:

[1, 3, 7, 21, 29, 87, 89, 203, 267, 307, 609, 623, 921, 1869, 2149, 2581, 6447, 7743, 8903, 18067, 26709, 27323, 54201, 62321, 81969, 186963, 191261, 573783, 792367, 2377101, 5546569, 16639707]

約数ペア:

[(1, 16639707), (3, 5546569), (7, 2377101), (21, 792367), (29, 573783), (87, 191261), (89, 186963), (203, 81969), (267, 62321), (307, 54201), (609, 27323), (623, 26709), (921, 18067), (1869, 8903), (2149, 7743), (2581, 6447)]