11980215

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20479}}^1$

素因数の和:20503

約数の個数: 24

約数和(自身を含む): 22364160

約数和(自身を除く): 10383945

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 20479, 61437, 102395, 184311, 266227, 307185, 798681, 921555, 1331135, 2396043, 3993405, 11980215]

約数ペア:

[(1, 11980215), (3, 3993405), (5, 2396043), (9, 1331135), (13, 921555), (15, 798681), (39, 307185), (45, 266227), (65, 184311), (117, 102395), (195, 61437), (585, 20479)]