71221437

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2129}}^1$

素因数の和:2207

約数の個数: 40

約数和(自身を含む): 123710400

約数和(自身を除く): 52488963

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 413, 531, 567, 1239, 1593, 2129, 3717, 4779, 6387, 11151, 14903, 19161, 33453, 44709, 57483, 125611, 134127, 172449, 376833, 402381, 879277, 1130499, 1207143, 2637831, 3391497, 7913493, 10174491, 23740479, 71221437]

約数ペア:

[(1, 71221437), (3, 23740479), (7, 10174491), (9, 7913493), (21, 3391497), (27, 2637831), (59, 1207143), (63, 1130499), (81, 879277), (177, 402381), (189, 376833), (413, 172449), (531, 134127), (567, 125611), (1239, 57483), (1593, 44709), (2129, 33453), (3717, 19161), (4779, 14903), (6387, 11151)]