1670795721

素因数分解:

$3^3\times 7^1\times {\mathrm{2141}}^1\times {\mathrm{4129}}^1$

素因数の和:6286

約数の個数: 32

約数和(自身を含む): 2830867200

約数和(自身を除く): 1160071479

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2141, 4129, 6423, 12387, 14987, 19269, 28903, 37161, 44961, 57807, 86709, 111483, 134883, 260127, 404649, 780381, 8840189, 26520567, 61881323, 79561701, 185643969, 238685103, 556931907, 1670795721]

約数ペア:

[(1, 1670795721), (3, 556931907), (7, 238685103), (9, 185643969), (21, 79561701), (27, 61881323), (63, 26520567), (189, 8840189), (2141, 780381), (4129, 404649), (6423, 260127), (12387, 134883), (14987, 111483), (19269, 86709), (28903, 57807), (37161, 44961)]