155987667

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1997}}^1$

素因数の和:2280

約数の個数: 32

約数和(自身を含む): 253186560

約数和(自身を除く): 97198893

約数列:

[1, 3, 9, 11, 27, 33, 99, 263, 297, 789, 1997, 2367, 2893, 5991, 7101, 8679, 17973, 21967, 26037, 53919, 65901, 78111, 197703, 525211, 593109, 1575633, 4726899, 5777321, 14180697, 17331963, 51995889, 155987667]

約数ペア:

[(1, 155987667), (3, 51995889), (9, 17331963), (11, 14180697), (27, 5777321), (33, 4726899), (99, 1575633), (263, 593109), (297, 525211), (789, 197703), (1997, 78111), (2367, 65901), (2893, 53919), (5991, 26037), (7101, 21967), (8679, 17973)]