90757989

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2713}}^1$

素因数の和:2791

約数の個数: 40

約数和(自身を含む): 157629120

約数和(自身を除く): 66871131

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 413, 531, 567, 1239, 1593, 2713, 3717, 4779, 8139, 11151, 18991, 24417, 33453, 56973, 73251, 160067, 170919, 219753, 480201, 512757, 1120469, 1440603, 1538271, 3361407, 4321809, 10084221, 12965427, 30252663, 90757989]

約数ペア:

[(1, 90757989), (3, 30252663), (7, 12965427), (9, 10084221), (21, 4321809), (27, 3361407), (59, 1538271), (63, 1440603), (81, 1120469), (177, 512757), (189, 480201), (413, 219753), (531, 170919), (567, 160067), (1239, 73251), (1593, 56973), (2713, 33453), (3717, 24417), (4779, 18991), (8139, 11151)]