19982727

素因数分解:

$3^3\times {\mathrm{271}}^1\times {\mathrm{2731}}^1$

素因数の和:3011

約数の個数: 16

約数和(自身を含む): 29724160

約数和(自身を除く): 9741433

約数列:

[1, 3, 9, 27, 271, 813, 2439, 2731, 7317, 8193, 24579, 73737, 740101, 2220303, 6660909, 19982727]

約数ペア:

[(1, 19982727), (3, 6660909), (9, 2220303), (27, 740101), (271, 73737), (813, 24579), (2439, 8193), (2731, 7317)]