27720147

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1721}}^1$

素因数の和:1803

約数の個数: 32

約数和(自身を含む): 46287360

約数和(自身を除く): 18567213

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 177, 273, 413, 767, 1239, 1721, 2301, 5163, 5369, 12047, 16107, 22373, 36141, 67119, 101539, 156611, 304617, 469833, 710773, 1320007, 2132319, 3960021, 9240049, 27720147]

約数ペア:

[(1, 27720147), (3, 9240049), (7, 3960021), (13, 2132319), (21, 1320007), (39, 710773), (59, 469833), (91, 304617), (177, 156611), (273, 101539), (413, 67119), (767, 36141), (1239, 22373), (1721, 16107), (2301, 12047), (5163, 5369)]