290682717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{883}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 437219328

約数和(自身を除く): 146536611

約数列:

[1, 3, 13, 23, 39, 69, 299, 367, 883, 897, 1101, 2649, 4771, 8441, 11479, 14313, 20309, 25323, 34437, 60927, 109733, 264017, 324061, 329199, 792051, 972183, 4212793, 7453403, 12638379, 22360209, 96894239, 290682717]

約数ペア:

[(1, 290682717), (3, 96894239), (13, 22360209), (23, 12638379), (39, 7453403), (69, 4212793), (299, 972183), (367, 792051), (883, 329199), (897, 324061), (1101, 264017), (2649, 109733), (4771, 60927), (8441, 34437), (11479, 25323), (14313, 20309)]