11900205

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3947}}^1$

素因数の和:4025

約数の個数: 24

約数和(自身を含む): 20940192

約数和(自身を除く): 9039987

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 3947, 11841, 19735, 35523, 59205, 177615, 264449, 793347, 1322245, 2380041, 3966735, 11900205]

約数ペア:

[(1, 11900205), (3, 3966735), (5, 2380041), (9, 1322245), (15, 793347), (45, 264449), (67, 177615), (201, 59205), (335, 35523), (603, 19735), (1005, 11841), (3015, 3947)]